linux-phytec-fsl

ARM: OMAP2+: AM43x: soc_is support

soc_is support for AM43x family of SoC's. Only variant now is AM437x,
it is made as a subclass of AM43x.

Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>