soc/amd/picasso/soc_util.c: Remove unneeded "break"

"break" is useless after "return".

Change-Id: I84bc506a3d50e937797f42659299bf90ce392e09
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72895
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Felix Singer <felixsinger@posteo.net>

src/soc/amd/picasso/soc_util.c

@@ -153,7 +153,6 @@ enum soc_type get_soc_type(void)
 	case SOCKET_FT5:
 		/* add is_fam17_20() CPUID sanity check here? */
 		return SOC_POLLOCK;
-		break;
 	case SOCKET_AM4:
 		/* AM4 SoC type detection logic not implemented */
 		break;