ARM: qca: Added support for manual config

Added support to choose FIT image config by
setting environment variable 'config_name'.

Setting environment variable will override
device tree entry.

Change-Id: I4d418b840a0e7e6c71d2c681b6929ef58cf0e570
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
1 file changed