drm/amdgpu: add missing newline at eof

Representative checkpatch.pl warning

WARNING: adding a line without newline at end of file
 30: FILE: drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.h:30:
+#endif
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/asic_reg/gc/gc_9_4_1_sh_mask.h

@@ -745,4 +745,4 @@
 #define RLC_EDC_CNT2__RLC_SPM_SE7_SCRATCH_RAM_SEC_COUNT_MASK                                                  0x30000000L
 #define RLC_EDC_CNT2__RLC_SPM_SE7_SCRATCH_RAM_DED_COUNT_MASK                                                  0xC0000000L
 
-#endif
\ No newline at end of file
+#endif

drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.h

@@ -27,4 +27,4 @@
 
 extern void vangogh_set_ppt_funcs(struct smu_context *smu);
 
-#endif
\ No newline at end of file
+#endif