ARM: multi_v7_defconfig: enable counter subsystem and stm32 counter drivers

This enables the counter subsystem and drivers for the stm32 timer and LP
timer.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/configs/multi_v7_defconfig

@@ -1095,6 +1095,9 @@ CONFIG_FSI_MASTER_ASPEED=m
 CONFIG_FSI_SCOM=m
 CONFIG_FSI_SBEFIFO=m
 CONFIG_FSI_OCC=m
+CONFIG_COUNTER=m
+CONFIG_STM32_TIMER_CNT=m
+CONFIG_STM32_LPTIMER_CNT=m
 CONFIG_EXT4_FS=y
 CONFIG_AUTOFS4_FS=y
 CONFIG_MSDOS_FS=y