bootz: Avoid use of #ifdef

Use the compiler to get the set of states, instead of the preprocessor.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/bootz.c b/cmd/bootz.c
index a652879..8c25905 100644
--- a/cmd/bootz.c
+++ b/cmd/bootz.c
@@ -64,7 +64,7 @@
 
 int do_bootz(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
-	int ret;
+	int states, ret;
 
 	/* Consume 'bootz' */
 	argc--; argv++;
@@ -79,14 +79,13 @@
 	bootm_disable_interrupts();
 
 	images.os.os = IH_OS_LINUX;
-	ret = do_bootm_states(cmdtp, flag, argc, argv,
-#ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
-			      BOOTM_STATE_RAMDISK |
-#endif
-			      BOOTM_STATE_MEASURE |
-			      BOOTM_STATE_OS_PREP | BOOTM_STATE_OS_FAKE_GO |
-			      BOOTM_STATE_OS_GO,
-			      &images, 1);
+
+	states = BOOTM_STATE_MEASURE | BOOTM_STATE_OS_PREP |
+		BOOTM_STATE_OS_FAKE_GO | BOOTM_STATE_OS_GO;
+	if (IS_ENABLED(CONFIG_SYS_BOOT_RAMDISK_HIGH))
+		states |= BOOTM_STATE_RAMDISK;
+
+	ret = do_bootm_states(cmdtp, flag, argc, argv, states, &images, 1);
 
 	return ret;
 }