ARM: dts: imx7d: cl-som-imx7: fix pinctrl_enet

The missing last digit of the CONFIG values is added. Looks like a typo
of some sort when comparing to the downstream dt. This fixes
intermittent behavior behaviour of the ethernet controllers.

Signed-off-by: Aapo Vienamo <aapo@tuxera.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>