arm: mach-k3: fix typo in devstat macro name

Fix spelling mistake in the board init files of j721e and j721s2.

s/WKUP_DEVSTAT_MCU_OMLY_MASK/WKUP_DEVSTAT_MCU_ONLY_MASK

Signed-off-by: Prasanth Babu Mantena <p-mantena@ti.com>
diff --git a/arch/arm/mach-k3/j721e/j721e_init.c b/arch/arm/mach-k3/j721e/j721e_init.c
index 805b28a..7e2d2c1 100644
--- a/arch/arm/mach-k3/j721e/j721e_init.c
+++ b/arch/arm/mach-k3/j721e/j721e_init.c
@@ -496,7 +496,7 @@
 	u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
 	u32 main_devstat;
 
-	if (wkup_devstat & WKUP_DEVSTAT_MCU_OMLY_MASK) {
+	if (wkup_devstat & WKUP_DEVSTAT_MCU_ONLY_MASK) {
 		printf("ERROR: MCU only boot is not yet supported\n");
 		return BOOT_DEVICE_RAM;
 	}