drm/amdgpu/powerplay: partial revert of endian fixes

This fixes a warning on big endian. Bitfields need to
be handled properly.

Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
index e2aece3..26f3e30 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c
@@ -1289,9 +1289,9 @@
 	int result;
 
 	memory_clock_parameters.asDPMMCReg.ulClock.ulClockFreq =
-		cpu_to_le32(memory_clock & SET_CLOCK_FREQ_MASK);
+		memory_clock & SET_CLOCK_FREQ_MASK;
 	memory_clock_parameters.asDPMMCReg.ulClock.ulComputeClockFlag =
-		cpu_to_le32(ADJUST_MC_SETTING_PARAM);
+		ADJUST_MC_SETTING_PARAM;
 	memory_clock_parameters.asDPMMCReg.ucMclkDPMState = level;
 
 	result = cgs_atom_exec_cmd_table