4.21 ATWILC Baremetal v1.1

The following are bug fixes and enhancements for RTP:
  • Added new API to scan for a specific SSID
  • Fixed missing AP from scan result that filters the ATWILC1000 MAC address
  • Fixed connect-disconnect issue
  • Fixed corrupted print on serial debug
  • Fixed a bug on SoftAP mode that causes data frames to send with zero MAC address in source address