[no ci] Overlay: export soc environment variable

general/overlay/etc/profile

@@ -3,6 +3,7 @@ export HOME=$(grep -e "^${USER:-root}:" /etc/passwd | cut -d ":" -f 6)
 export HOME=${HOME:-/root}
 export TZ=$(cat /etc/TZ)
 export SENSOR=$(fw_printenv -n sensor)
+export SOC=$(fw_printenv -n soc)
 
 echo_c() { echo -ne "\e[1;$1m$2\e[0m"; }
 

general/scripts/rootfs_script.sh

@@ -17,6 +17,6 @@ if grep -q "USES_MUSL" ${BR2_CONFIG}; then
   LIST=${BR2_EXTERNAL}/scripts/excludes/${OPENIPC_SOC_MODEL}_${OPENIPC_FLAVOR}.list
   test -e ${LIST} && xargs -a ${LIST} -I % rm -rf ${TARGET_DIR}/%
 
-  ln -sf /lib/libc.so ${TARGET_DIR}/lib/ld-uClibc.so.0
+  ln -sf libc.so ${TARGET_DIR}/lib/ld-uClibc.so.0
   ln -sf ../../lib/libc.so ${TARGET_DIR}/usr/bin/ldd
 fi