arm64: zynqmp: Enable SLG gpo driver by default

This device is used on SOM CCs that's why enable it by default.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ebbfc0c883ca7d4f70c75d8d3655aaa6a81d77be.1656943737.git.michal.simek@amd.com
diff --git a/configs/xilinx_zynqmp_virt_defconfig b/configs/xilinx_zynqmp_virt_defconfig
index 6776bd9..bee4816 100644
--- a/configs/xilinx_zynqmp_virt_defconfig
+++ b/configs/xilinx_zynqmp_virt_defconfig
@@ -137,6 +137,7 @@
 CONFIG_GPIO_HOG=y
 CONFIG_XILINX_GPIO=y
 CONFIG_DM_PCA953X=y
+CONFIG_SLG7XL45106_I2C_GPO=y
 CONFIG_DM_I2C=y
 CONFIG_SYS_I2C_CADENCE=y
 CONFIG_I2C_MUX=y