ARM: multi_v7_defconfig: Add MCP23S08 pinctrl support

Enable MCP23S08 I/O expanders to manage Ethernet PHY
reset in STM32MP135F-DK board.

Signed-off-by: Christophe Roullier <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Alexandre Torgue <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

Author: Christophe Roullier

arch/arm/configs/multi_v7_defconfig

@@ -469,6 +469,7 @@ CONFIG_SPI_XILINX=y
 CONFIG_SPI_SPIDEV=y
 CONFIG_SPMI=y
 CONFIG_PINCTRL_AS3722=y
+CONFIG_PINCTRL_MCP23S08=m
 CONFIG_PINCTRL_MICROCHIP_SGPIO=y
 CONFIG_PINCTRL_OCELOT=y
 CONFIG_PINCTRL_PALMAS=y