ARM: Add a few machine types to mach-types

Add vision_ep9307, rwi_ews, usb_a9g20, karo, apf9328, tx37, tx25,
tx51, mx51_m2id, pca101, gplugd, smdk4212 and smdk4412.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>