CIG WF-660A : Add WF-660a support [patch 3]

Fixed caldata.bin can NOT be generated with EMMC issue.

feeds/ipq807x/ipq807x/base-files/etc/hotplug.d/firmware/10-ath11k-caldata

@@ -70,6 +70,9 @@ caldata_extract() {
         local mtd
 
         mtd=$(find_mtd_chardev $part)
+        if [ -z "$mtd" ]; then                                 
+                mtd=/dev/$(echo $(find_mmc_part $part) | sed 's/^.\{5\}//')
+        fi                	
         [ -n "$mtd" ] || caldata_die "no mtd device found for partition $part"
 
         dd if=$mtd of=/lib/firmware/$FIRMWARE iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \