ARM: multi_v7_defconfig: Select PWM_RCAR as module

Enable PWM support for R-Car and friends by default.
Signed-off-by: NFabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: NBiju Das <biju.das@bp.renesas.com>
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/configs/multi_v7_defconfig

@@ -879,6 +879,7 @@ CONFIG_PWM_ATMEL=m
 CONFIG_PWM_ATMEL_HLCDC_PWM=m
 CONFIG_PWM_ATMEL_TCB=m
 CONFIG_PWM_FSL_FTM=m
+CONFIG_PWM_RCAR=m
 CONFIG_PWM_RENESAS_TPU=y
 CONFIG_PWM_ROCKCHIP=m
 CONFIG_PWM_SAMSUNG=m