[OE-core] [PATCH] qemu: Upgrade to 4.2.0

[Richard Purdie]

On Tue, 2020-02-04 at 10:41 -0800, Alistair Francis wrote:
> While we are upgrading let's refresh patches and remove the outdated
> patches.
> 
> Signed-off-by: Alistair Francis <alistair.francis at wdc.com>

I think this stopped qemu running on the autobuilder, we saw many
versions of:

https://autobuilder.yoctoproject.org/typhoon/#/builders/50/builds/1538

Failed to run qemu: qemu: can't parse 'vga' parameter: Invalid argument

Cheers,

Richard