drm/amd/include/vega10_ip_offset:Clean up errors in vega10_ip_offset.h

Fix the following errors reported by checkpatch:

ERROR: open brace '{' following enum go on the same line

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

drivers/gpu/drm/amd/include/vega10_ip_offset.h

···
 #define MAX_INSTANCE                                       5
 #define MAX_SEGMENT                                        5
 
-struct IP_BASE_INSTANCE
-{
+struct IP_BASE_INSTANCE {
     unsigned int segment[MAX_SEGMENT];
 };
 
-struct IP_BASE
-{
+struct IP_BASE {
     struct IP_BASE_INSTANCE instance[MAX_INSTANCE];
 };