linux-imx

ARM: omap2plus_defconfig: Enable am335x and am437x PM options

These are needed to enable low-power suspend mode as described
by Dave.

Note that these depend on the am335x-pm-firmware.elf.

Cc: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>