drm/amd/pm: Fix esm reg mask use to get pcie speed

Fix mask used for esm ctrl register to get pcie link
speed on smu_v11_0_3, smu_v13_0_2 & smu_v13_0_6

Fixes: 511a9555 ("drm/amd/pm: Add SMU 13.0.6 support")
Fixes: c05d1c40 ("drm/amd/swsmu: add aldebaran smu13 ip support (v3)")
Fixes: f1c37859 ("drm/amd/powerplay: add Arcturus support for gpu metrics export")
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>