configs: rockchip: rock5b-rk3588: Enable CONFIG_PCI_INIT_R

Enable CONFIG_PCI_INIT_R for rock5b pci enumeration during boot in order
to autodetect the PCI ethernet NIC during the boot process.

Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/rock5b-rk3588_defconfig b/configs/rock5b-rk3588_defconfig
index 7618258..3976a6c 100644
--- a/configs/rock5b-rk3588_defconfig
+++ b/configs/rock5b-rk3588_defconfig
@@ -35,6 +35,7 @@
 CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588-rock-5b.dtb"
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_PCI_INIT_R=y
 CONFIG_SPL_MAX_SIZE=0x40000
 CONFIG_SPL_PAD_TO=0x7f8000
 CONFIG_SPL_HAS_BSS_LINKER_SECTION=y