add qemu-conf to fix minimusize

:Release Notes:
fix bug on 1360x768 resolution

:Detailed Notes:
Minimum size set by qemu-conf.

:Testing Performed:
Reboot command checked in full screen mode.
Check mouse action.
After resizeing window, check mouse action and screen.

:QA Notes:

:Issues Addressed:
[PLAT-61602] [QEMU Emulator] : Youtube Video seeking is not fully functional.

bin/pc-bios/qemu-conf

@@ -0,0 +1 @@
+MinimumResolution:1152x648