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 <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/radeon/smu7.h

···
 #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;
···
 #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;