arm64: defconfig: Enable M31 USB phy driver

Enable M31 USB phy driver present in IPQ5332.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Link: https://lore.kernel.org/r/7a5acabcaee60b6a00259bd88c06ffca06999f07.1693468292.git.quic_varada@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: quic-varada

arch/arm64/configs/defconfig

@@ -1425,6 +1425,7 @@ CONFIG_PHY_QCOM_USB_SNPS_FEMTO_V2=m
 CONFIG_PHY_QCOM_USB_HS_28NM=m
 CONFIG_PHY_QCOM_USB_SS=m
 CONFIG_PHY_QCOM_SGMII_ETH=m
+CONFIG_PHY_QCOM_M31_USB=m
 CONFIG_PHY_R8A779F0_ETHERNET_SERDES=y
 CONFIG_PHY_RCAR_GEN3_PCIE=y
 CONFIG_PHY_RCAR_GEN3_USB2=y