ARM: multi_v7_defconfig: add tm2-touchkey driver

The Cypress 'touchkey' hardware is available on Exynos4412-based Midas
family boards, so enable the driver for it to increase testing coverage.

Signed-off-by: Marek Szyprowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

Author: mszyprow

arch/arm/configs/multi_v7_defconfig

@@ -315,6 +315,7 @@ CONFIG_KEYBOARD_PXA27x=m
 CONFIG_KEYBOARD_SAMSUNG=m
 CONFIG_KEYBOARD_ST_KEYSCAN=y
 CONFIG_KEYBOARD_SPEAR=y
+CONFIG_KEYBOARD_TM2_TOUCHKEY=m
 CONFIG_KEYBOARD_CROS_EC=m
 CONFIG_MOUSE_PS2_ELANTECH=y
 CONFIG_MOUSE_CYAPA=m