OMAP3 SPL: Provide weak omap_rev_string

We add an weak version of omap_rev_string in omap-common/spl.c
and while at it drop the omap3 version.  Move the prototype over
to <asm/omap_common.h> with the other SPL functions.

Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
5 files changed