x86: cpu: qemu: qemu: remove SPL use with CONFIG_IS_ENABLED

CONFIG_IS_ENABLED(SPL_X86_32BIT_INIT)
would check for CONFIG_SPL_SPL_X86_32BIT_INIT for SPL builds

Signed-off-by: Troy Kisky <troykiskyboundary@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/qemu/qemu.c

@@ -97,7 +97,7 @@ static void qemu_chipset_init(void)
 	}
 }
 
-#if !CONFIG_IS_ENABLED(SPL_X86_32BIT_INIT)
+#if CONFIG_IS_ENABLED(X86_32BIT_INIT)
 int arch_cpu_init(void)
 {
 	post_code(POST_CPU_INIT);