sh: Preliminary support for the SH-X3 CPU.

This adds basic support for UP SH-X3.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/cpu/sh4/probe.c

@@ -141,6 +141,14 @@ int __init detect_cpu_and_cache_system(void)
 			current_cpu_data.flags |= CPU_HAS_LLSC;
 		}
 		break;
+	case 0x4000:	/* 1st cut */
+	case 0x4001:	/* 2nd cut */
+		current_cpu_data.type = CPU_SHX3;
+		current_cpu_data.icache.ways = 4;
+		current_cpu_data.dcache.ways = 4;
+		current_cpu_data.flags |= CPU_HAS_FPU | CPU_HAS_PERF_COUNTER |
+					  CPU_HAS_LLSC;
+		break;
 	case 0x8000:
 		current_cpu_data.type = CPU_ST40RA;
 		current_cpu_data.flags |= CPU_HAS_FPU;