soc/amd/picasso/soc_util: remove unused functions

soc_is_pollock() and soc_is_picasso() aren't used by any mainboard or
soc code. The same fuctionality is still provided by get_soc_type().

Change-Id: I046b4925bfeb4b31d11e2548ac87b7bbca0f6475
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41795
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/picasso/include/soc/soc_util.h

@@ -33,10 +33,8 @@ void print_socket_type(void);
 void print_silicon_type(void);
 void print_soc_type(void);
 
-/* functions to determine the connectivity feature set */
-bool soc_is_pollock(void);
+/* function to determine the connectivity feature set */
 bool soc_is_dali(void);
-bool soc_is_picasso(void);
 
 /* function to determine the iGPU type */
 bool soc_is_raven2(void);

src/soc/amd/picasso/soc_util.c

@@ -197,21 +197,11 @@ void print_soc_type(void)
 	}
 }
 
-bool soc_is_pollock(void)
-{
-	return get_soc_type() == SOC_POLLOCK;
-}
-
 bool soc_is_dali(void)
 {
 	return get_soc_type() == SOC_DALI;
 }
 
-bool soc_is_picasso(void)
-{
-	return get_soc_type() == SOC_PICASSO;
-}
-
 bool soc_is_raven2(void)
 {
 	return get_silicon_type() == SILICON_RV2;