Some fixes and add uClibc config. Thanks to @operutka

br-ext-chip-sigmastar/configs/unknown_unknown_ssc335_uclibc_defconfig

@@ -0,0 +1,75 @@
+# Architecture
+BR2_arm=y
+BR2_cortex_a7=y
+BR2_ARM_EABI=y
+BR2_ARM_FPU_NEON_VFPV4=y
+BR2_ARM_INSTRUCTIONS_THUMB2=y
+BR2_KERNEL_HEADERS_VERSION=y
+BR2_DEFAULT_KERNEL_VERSION="4.9.84"
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_4_9=y
+
+# Toolchain
+BR2_PER_PACKAGE_DIRECTORIES=y
+BR2_GCC_VERSION_7_X=y
+BR2_TOOLCHAIN_USES_UCLIBC=y
+BR2_TOOLCHAIN_BUILDROOT_UCLIBC=y
+BR2_TOOLCHAIN_BUILDROOT_LIBC="uclibc"
+# BR2_TOOLCHAIN_USES_MUSL is not set
+# BR2_TOOLCHAIN_BUILDROOT_MUSL is not set
+# BR2_TOOLCHAIN_BUILDROOT_LIBC="musl"
+BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
+BR2_TOOLCHAIN_BUILDROOT_USE_SSP=y
+
+# Kernel
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="4.9.84"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_SIGMASTAR_PATH)/board/infinity6b0/kernel/ssc335.generic.config"
+BR2_LINUX_KERNEL_UIMAGE=y
+BR2_LINUX_KERNEL_XZ=y
+BR2_LINUX_KERNEL_EXT_SIGMASTAR_PATCHER=y
+BR2_LINUX_KERNEL_EXT_SIGMASTAR_PATCHER_LIST="$(BR2_EXTERNAL_SIGMASTAR_PATH)/board/infinity6b0/kernel/patches/ $(BR2_EXTERNAL_SIGMASTAR_PATH)/board/infinity6b0/kernel/overlay"
+
+# Filesystem
+# BR2_TARGET_TZ_INFO is not set
+BR2_TARGET_ROOTFS_SQUASHFS=y
+BR2_TARGET_ROOTFS_SQUASHFS4_XZ=y
+BR2_ROOTFS_OVERLAY="$(TOPDIR)/../general/overlay"
+
+# OpenIPC configuration
+BR2_TOOLCHAIN_BUILDROOT_VENDOR="openipc"
+BR2_TARGET_GENERIC_ISSUE="Welcome to OpenIPC v2.1.06.05"
+BR2_TARGET_GENERIC_HOSTNAME="ipcam"
+BR2_GLOBAL_PATCH_DIR="$(TOPDIR)/../general/package/all-patches"
+
+# Packages
+BR2_PACKAGE_BUSYBOX_CONFIG="$(TOPDIR)/../general/package/busybox/busybox.config"
+BR2_PACKAGE_DROPBEAR=y
+BR2_PACKAGE_FWPRINTENV_NG=y
+BR2_PACKAGE_SIGMASTAR_OSDRV_SSC335=y
+BR2_PACKAGE_IPCTOOL=y
+BR2_PACKAGE_JSON_C=y
+BR2_PACKAGE_LAME=y
+BR2_PACKAGE_LIBEVENT_MINI=y
+# BR2_PACKAGE_MAJESTIC is not set
+BR2_PACKAGE_HASERL=y
+BR2_PACKAGE_MINI_SNMPD=y
+BR2_PACKAGE_VTUND_LITE=y
+
+# Unused
+# BR2_SHARED_STATIC_LIBS is not set
+# BR2_PACKAGE_JPEG_TURBO is not set
+# BR2_PACKAGE_MINIHTTP is not set
+# BR2_PACKAGE_MXML is not set
+# BR2_PACKAGE_SSHPASS is not set
+# BR2_PACKAGE_RTL8188EU is not set
+
+# WiFi
+BR2_PACKAGE_WIRELESS_TOOLS=y
+BR2_PACKAGE_WPA_SUPPLICANT=y
+BR2_PACKAGE_WPA_SUPPLICANT_CLI=y
+BR2_PACKAGE_WPA_SUPPLICANT_NL80211=y
+BR2_PACKAGE_WPA_SUPPLICANT_PASSPHRASE=y
+BR2_PACKAGE_LINUX_FIRMWARE=y
+BR2_PACKAGE_LINUX_FIRMWARE_MEDIATEK_MT7601U=y

general/overlay/etc/mdev.conf

@@ -18,5 +18,5 @@ mmcblk[0-9] root:disk 660
 mmcblk[0-9]p[0-9] root:disk 660 *(/lib/mdev/automount.sh)
 #
 sd[a-z] root:disk 660
-sd[a-z] [0-9] root:disk 660 *(/lib/mdev/automount.sh)
+sd[a-z][0-9] root:disk 660 *(/lib/mdev/automount.sh)
 #