u-boot-radxa-rk3588/legacy: rewrite nanopc_cm3588_defconfig -- no changes

- `CONFIG_REGULATOR_RK806=y` seems a leftover that's not really used?

patch/u-boot/legacy/u-boot-radxa-rk3588/defconfig/nanopc_cm3588_defconfig

@@ -24,6 +24,8 @@ CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_SPL_SPI_SUPPORT=y
 CONFIG_DEFAULT_DEVICE_TREE="rk3588-nanopc-cm3588"
 CONFIG_DEBUG_UART=y
+CONFIG_LOCALVERSION="-armbian"
+# CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_FIT=y
 CONFIG_FIT_IMAGE_POST_PROCESS=y
 CONFIG_FIT_HW_CRYPTO=y
@@ -31,7 +33,7 @@ CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_FIT_IMAGE_POST_PROCESS=y
 CONFIG_SPL_FIT_HW_CRYPTO=y
 # CONFIG_SPL_SYS_DCACHE_OFF is not set
-CONFIG_BOOTDELAY=2
+CONFIG_BOOTDELAY=0
 CONFIG_SYS_CONSOLE_INFO_QUIET=y
 # CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_ANDROID_BOOTLOADER=y
@@ -146,6 +148,7 @@ CONFIG_DM_PCI=y
 CONFIG_DM_PCI_COMPAT=y
 CONFIG_PCIE_DW_ROCKCHIP=y
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
 CONFIG_PHY_ROCKCHIP_SAMSUNG_HDPTX=y
 CONFIG_PHY_ROCKCHIP_SNPS_PCIE3=y
 CONFIG_PINCTRL=y
@@ -156,7 +159,6 @@ CONFIG_REGULATOR_PWM=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_REGULATOR_RK860X=y
-CONFIG_REGULATOR_RK806=y
 CONFIG_PWM_ROCKCHIP=y
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
@@ -215,4 +217,3 @@ CONFIG_RK_AVB_LIBAVB_USER=y
 CONFIG_OPTEE_CLIENT=y
 CONFIG_OPTEE_V2=y
 CONFIG_OPTEE_ALWAYS_USE_SECURITY_PARTITION=y
-CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y