x86: rename X86_GENERICARCH to X86_32_NON_STANDARD

X86_GENERICARCH is a misnomer - it contains non-PC 32-bit architectures
that are not included in the default build.

Rename it to X86_32_NON_STANDARD.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index cb8b527..7352c60 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1335,7 +1335,7 @@
 		if (!error) {
 			acpi_lapic = 1;
 
-#ifdef CONFIG_X86_GENERICARCH
+#ifdef CONFIG_X86_32_NON_STANDARD
 			generic_bigsmp_probe();
 #endif
 			/*