ARM: tegra: allow reading recovery mode boot type

Add defines to allow reading recovery mode (RCM) boot type from the boot
information table (BIT) written by the boot ROM (BR) to the IRAM.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>

arch/arm/include/asm/arch-tegra/tegra.h

@@ -56,6 +56,8 @@ struct timerus {
 /* Address at which WB code runs, it must not overlap Bootrom's IRAM usage */
 #define NV_WB_RUN_ADDRESS	0x40020000
 
+#define NVBOOTTYPE_RECOVERY	2	/* BR entered RCM */
+#define NVBOOTINFOTABLE_BOOTTYPE 0xC	/* Boot type in BIT in IRAM */
 #define NVBOOTINFOTABLE_BCTSIZE	0x38	/* BCT size in BIT in IRAM */
 #define NVBOOTINFOTABLE_BCTPTR	0x3C	/* BCT pointer in BIT in IRAM */