MAINTAINERS: add maintainer for Qualcomm FastRPC driver

For some reason I forgot to add myself as maintainer when we
upstreamed FastRPC patches.

Add myself and Amol from Qualcomm as maintainers for Qualcomm FastRPC driver.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211124142325.27108-1-srinivas.kandagatla@linaro.org


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>