treewide: Add SPDX license identifier - Makefile/Kconfig

Add SPDX license identifiers to all Make/Kconfig files which:

 - Have no license information of any form

These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:

  GPL-2.0-only

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

arch/alpha/math-emu/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the FPU instruction emulation.
 #

arch/alpha/mm/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the linux alpha-specific parts of the memory manager.
 #

arch/arc/plat-eznps/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the linux kernel.
 #

arch/arm/mach-actions/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-${CONFIG_SMP} += platsmp.o

arch/arm/mach-alpine/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-y				+= alpine_machine.o
 obj-$(CONFIG_SMP)		+= platsmp.o alpine_cpu_pm.o

arch/arm/mach-artpec/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig ARCH_ARTPEC
 	bool "Axis Communications ARM based ARTPEC SoCs"
 	depends on ARCH_MULTI_V7

arch/arm/mach-artpec/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_MACH_ARTPEC6)		:= board-artpec6.o

arch/arm/mach-asm9260/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 config MACH_ASM9260
 	bool "Alphascale ASM9260"
 	depends on ARCH_MULTI_V5

arch/arm/mach-aspeed/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig ARCH_ASPEED
 	bool "Aspeed BMC architectures"
 	depends on ARCH_MULTI_V5 || ARCH_MULTI_V6

arch/arm/mach-at91/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig ARCH_AT91
 	bool "AT91/Microchip SoCs"
 	depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M

arch/arm/mach-at91/Makefile.boot

+# SPDX-License-Identifier: GPL-2.0-only
 # Empty file waiting for deletion once Makefile.boot isn't needed any more.
 # Patch waits for application at
 # http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .

arch/arm/mach-berlin/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 menuconfig ARCH_BERLIN
 	bool "Marvell Berlin SoCs"
 	depends on ARCH_MULTI_V7

arch/arm/mach-berlin/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-y			+= berlin.o
 obj-$(CONFIG_SMP)	+= headsmp.o platsmp.o

arch/arm/mach-digicolor/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-$(CONFIG_ARCH_DIGICOLOR)	+= digicolor.o

arch/arm/mach-dove/Makefile.boot

+# SPDX-License-Identifier: GPL-2.0-only
    zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000100
 initrd_phys-y	:= 0x00800000

arch/arm/mach-ebsa110/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 #
 # Makefile for the linux kernel.
 #

arch/arm/mach-ebsa110/Makefile.boot

+# SPDX-License-Identifier: GPL-2.0-only
    zreladdr-y	+= 0x00008000
 params_phys-y	:= 0x00000400
 initrd_phys-y	:= 0x00800000

arch/arm/mach-efm32/Makefile

+# SPDX-License-Identifier: GPL-2.0-only
 obj-y += dtmachine.o

arch/arm/mach-efm32/Makefile.boot

+# SPDX-License-Identifier: GPL-2.0-only
 # Empty file waiting for deletion once Makefile.boot isn't needed any more.
 # Patch waits for application at
 # http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7889/1 .

arch/arm/mach-ep93xx/Kconfig

+# SPDX-License-Identifier: GPL-2.0-only
 if ARCH_EP93XX
 
 menu "Cirrus EP93xx Implementation Options"