arm: mvebu: spl: Remove checks for BOOT_DEVICE_MMC2 and BOOT_DEVICE_MMC2_2

BOOT_DEVICE_MMC2 and BOOT_DEVICE_MMC2_2 are representing mmc dev 1 but all
Armada SoCs have only one mmc controller. So remove references to
non-existent second mmc controller.

Fixes: f830703f4284 ("arm: mvebu: Check that kwbimage blockid matches boot mode")
Signed-off-by: Pali Rohár <pali@kernel.org>
1 file changed