vgabios: Fix broken build resulting from e5749978.

The e5749978 commit added -fno-merge-constants to the compile flag.
That option changes the names of ".rodata" sections.  Update
vgalayout.lds.S so that the vgabios can continue to build.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
1 file changed