x86: conga: conga-qeval20-qa3-e3845_defconfig: Misc defconfig updates

- Enable ACPI resume support
- Disable debug UART
- Enable Spansion and Winbond SPI flash support
- Move VGA BIOS binary address to enable bigger U-Boot images

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>