drm/amd/pm: Clean up errors in arcturus_ppt.c

Fix the following errors reported by checkpatch:

ERROR: "foo* bar" should be "foo *bar"
ERROR: spaces required around that '=' (ctx:VxW)
ERROR: space prohibited before that close parenthesis ')'
Signed-off-by: Ran Sun <sunran001@208suo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c

@@ -691,7 +691,7 @@ int smu_cmn_feature_set_enabled(struct smu_context *smu,
 
 #undef __SMU_DUMMY_MAP
 #define __SMU_DUMMY_MAP(fea)	#fea
-static const char* __smu_feature_names[] = {
+static const char *__smu_feature_names[] = {
 	SMU_FEATURE_MASKS
 };
 
@@ -927,7 +927,7 @@ int smu_cmn_get_metrics_table(struct smu_context *smu,
 			      void *metrics_table,
 			      bool bypass_cache)
 {
-	struct smu_table_context *smu_table= &smu->smu_table;
+	struct smu_table_context *smu_table = &smu->smu_table;
 	uint32_t table_size =
 		smu_table->tables[SMU_TABLE_SMU_METRICS].size;
 	int ret = 0;
@@ -969,7 +969,7 @@ void smu_cmn_init_soft_gpu_metrics(void *table, uint8_t frev, uint8_t crev)
 	struct metrics_table_header *header = (struct metrics_table_header *)table;
 	uint16_t structure_size;
 
-#define METRICS_VERSION(a, b)	((a << 16) | b )
+#define METRICS_VERSION(a, b)	((a << 16) | b)
 
 	switch (METRICS_VERSION(frev, crev)) {
 	case METRICS_VERSION(1, 0):