MIPS: Remove unused R5432 CPU support

Our R5432 CPU support can only be included if a system selects
CONFIG_SYS_HAS_CPU_R5432. No system does, making all R5432-related CPU
support dead code. Remove it.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org

arch/mips/mm/c-r4k.c

@@ -1098,7 +1098,6 @@ static void probe_pcache(void)
 		c->options |= MIPS_CPU_CACHE_CDEX_P;
 		break;
 
-	case CPU_R5432:
 	case CPU_R5500:
 		icache_size = 1 << (12 + ((config & CONF_IC) >> 9));
 		c->icache.linesz = 16 << ((config & CONF_IB) >> 5);