drm/radeon/kms: Clean up errors in smu7.h

Fix the following errors reported by checkpatch:

ERROR: open brace '{' following struct go on the same line
Signed-off-by: GuoHua Chen <chenguohua_716@163.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/smu7.h

@@ -82,8 +82,7 @@
 #define SCRATCH_B_CURR_SAMU_INDEX_MASK  (0x7<<SCRATCH_B_CURR_SAMU_INDEX_SHIFT)
 
 
-struct SMU7_PIDController
-{
+struct SMU7_PIDController {
     uint32_t Ki;
     int32_t LFWindupUL;
     int32_t LFWindupLL;
@@ -117,8 +116,7 @@ typedef struct SMU7_PIDController SMU7_PIDController;
 #define SMU7_VCE_MCLK_HANDSHAKE_DISABLE                  0x00010000
 #define SMU7_VCE_SCLK_HANDSHAKE_DISABLE                  0x00020000
 
-struct SMU7_Firmware_Header
-{
+struct SMU7_Firmware_Header {
     uint32_t Digest[5];
     uint32_t Version;
     uint32_t HeaderSize;