sh: Tidy CPU probing and fixup section annotations.

This does a detect_cpu_and_cache_system() -> cpu_probe() rename, tidies
up the unused return value, and stuffs it under __cpuinit in preparation
for CPU hotplug.

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

arch/sh/kernel/cpu/sh2a/probe.c

@@ -13,7 +13,7 @@
 #include <asm/processor.h>
 #include <asm/cache.h>
 
-int __init detect_cpu_and_cache_system(void)
+void __cpuinit cpu_probe(void)
 {
 	boot_cpu_data.family			= CPU_FAMILY_SH2A;
 
@@ -51,6 +51,4 @@ int __init detect_cpu_and_cache_system(void)
 	 * on the cache info.
 	 */
 	boot_cpu_data.icache		= boot_cpu_data.dcache;
-
-	return 0;
 }