ARM: rmobile: Unify R8A7795 and R8A7796 in rmobile Makefile

Since both R8A7795 and R8A7796 now use the same files, unify the
Makefile entry to CONFIG_RCAR_GEN3.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
1 file changed