[PATCH defconfig] ARM: add ARM_SINGLE_ARMV7M in ARMv7-M defconfigs

[Arnd Bergmann]

On Thursday 21 May 2015 00:38:21 Stefan Agner wrote:
> Select ARM_SINGLE_ARMV7M in defconfigs of the converted ARMv7-M
> platforms.
> 
> Signed-off-by: Stefan Agner <stefan at agner.ch>

Applied without the efm32_defconfig change, as I have moved that
into the other patch.

Thanks,

	Arnd