Fix typo in defconfig file format description.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
ST: - the line is valid for SPL and TPL images
+S: - the line is valid for Normal and SPL images
+T: - the line is valid for Normal and TPL images
- +ST: - the line is valid for Normal, SPL and SPL images
+ +ST: - the line is valid for Normal, SPL and TPL images
So, if neither CONFIG_SPL nor CONFIG_TPL is defined, the defconfig file
has no "<condition>:" part and therefore has the same form as in Linux.