esp32: add libsmartconfig.a to link libs

Author: wujiangang

components/esp32/component.mk

@@ -10,7 +10,7 @@
 
 COMPONENT_SRCDIRS := . hwcrypto
 
-LIBS := crypto core net80211 phy rtc pp wpa
+LIBS := crypto core net80211 phy rtc pp wpa smartconfig
 
 LINKER_SCRIPTS += -T esp32_out.ld -T esp32.common.ld -T esp32.rom.ld -T esp32.peripherals.ld