misc: Add VExpress_GEM5_Foundation bootloader

The VExpress_GEM5_Foundation platform cannot use the VExpress_GEM5_V2
bootloader as the GIC has a different memory map

A new tarball has been uploaded to dist.gem5.org with the new bootloader

Change-Id: Ie0c16e623c3323b7be2a333cd6b0ffcf891b7b9b
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/59392
Tested-by: kokoro <noreply+kokoro@google.com>
3 files changed