qemu: disable watchdog timers

The `idf.py qemu` command also disables watchdog timers as they can be triggered due to non realtime emulation

Author: Daniel Newton

main/qemu/qemu_ci_flash.sh

@@ -28,6 +28,7 @@ qemu-system-xtensa -nographic \
     -nic user,model=open_eth,id=lo0,hostfwd=tcp:0.0.0.0:30121-:30121 \
     -drive file=/qemu_efuse.bin,if=none,format=raw,id=efuse \
     -global driver=nvram.esp32.efuse,property=drive,value=efuse \
+    -global driver=timer.esp32.timg,property=wdt_disable,value=true \
     -serial file:serial_output.log &
 
 sleep 4

main/qemu/qemu_run.sh

@@ -53,6 +53,7 @@ qemu-system-xtensa $EXTRA_ARGS -nographic \
     -nic user,model=open_eth,id=lo0,hostfwd=tcp:0.0.0.0:30122-:30122,hostfwd=tcp:0.0.0.0:30121-:30121 \
     -drive file=${EFUSE_IMAGE},if=none,format=raw,id=efuse \
     -global driver=nvram.esp32.efuse,property=drive,value=efuse \
+    -global driver=timer.esp32.timg,property=wdt_disable,value=true \
     -serial pty $BG
     #-serial mon:stdio