drm/amdgpu: Report Missing MES Firmware Versions with Sysfs

Added missing MES firmware versions to the 'fw_version' sysfs
directory, they should now exist as a files named "mes_fw_version"
and "mes_kiq_fw_version" found at:

/sys/class/drm/cardX/device/fw_version/mes_fw_version
/sys/class/drm/cardX/device/fw_version/mes_kiq_fw_version
Where X is the card number, and the version is displayed in hexadecimal.
Signed-off-by: Ori Messinger <ori.messinger@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c

@@ -703,6 +703,8 @@ FW_VERSION_ATTR(sdma_fw_version, 0444, sdma.instance[0].fw_version);
 FW_VERSION_ATTR(sdma2_fw_version, 0444, sdma.instance[1].fw_version);
 FW_VERSION_ATTR(vcn_fw_version, 0444, vcn.fw_version);
 FW_VERSION_ATTR(dmcu_fw_version, 0444, dm.dmcu_fw_version);
+FW_VERSION_ATTR(mes_fw_version, 0444, mes.sched_version & AMDGPU_MES_VERSION_MASK);
+FW_VERSION_ATTR(mes_kiq_fw_version, 0444, mes.kiq_version & AMDGPU_MES_VERSION_MASK);
 
 static struct attribute *fw_attrs[] = {
 	&dev_attr_vce_fw_version.attr, &dev_attr_uvd_fw_version.attr,
@@ -716,6 +718,7 @@ static struct attribute *fw_attrs[] = {
 	&dev_attr_smc_fw_version.attr, &dev_attr_sdma_fw_version.attr,
 	&dev_attr_sdma2_fw_version.attr, &dev_attr_vcn_fw_version.attr,
 	&dev_attr_dmcu_fw_version.attr, &dev_attr_imu_fw_version.attr,
+	&dev_attr_mes_fw_version.attr, &dev_attr_mes_kiq_fw_version.attr,
 	NULL
 };