arm: mach-k3: Add HyperFlash boot mode support

HBMC controller on TI K3 SoC provides MMIO access to HyperFlash similar
to legacy Parallel CFI NOR flashes. Therefore alias HyperFlash bootmode
to NOR boot to enable SPL to load next stage using NOR boot flow.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
diff --git a/arch/arm/mach-k3/include/mach/j721e_spl.h b/arch/arm/mach-k3/include/mach/j721e_spl.h
index 3fa85ca..e894791 100644
--- a/arch/arm/mach-k3/include/mach/j721e_spl.h
+++ b/arch/arm/mach-k3/include/mach/j721e_spl.h
@@ -15,6 +15,7 @@
 #define BOOT_DEVICE_ETHERNET		0x04
 #define BOOT_DEVICE_I2C			0x06
 #define BOOT_DEVICE_UART		0x07
+#define BOOT_DEVICE_NOR			BOOT_DEVICE_HYPERFLASH
 
 /* With BootMode B = 1 */
 #define BOOT_DEVICE_MMC2		0x10