drm/amd/powerplay: Minor fixes in processpptables.c (v2)

Reported by smatch:
init_overdrive_limits() error: uninitialized symbol 'result'.
get_clock_voltage_dependency_table() warn: inconsistent indenting

v2: set result to 0 (Alex)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ernst Sjöstrand <ernstp@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c

@@ -1042,7 +1042,7 @@ static int init_overdrive_limits_V2_1(struct pp_hwmgr *hwmgr,
 static int init_overdrive_limits(struct pp_hwmgr *hwmgr,
 			const ATOM_PPLIB_POWERPLAYTABLE *powerplay_table)
 {
-	int result;
+	int result = 0;
 	uint8_t frev, crev;
 	uint16_t size;