vga: split vga-isa-mm.o

It is only used in mips softmmu, compile only there.
it_shift field was only used for vga_isa_mm, move it from VGACommonState
to ISAVGAMMstate.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/hw/vga_int.h b/hw/vga_int.h
index ed88595832..9ff205d861 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -109,7 +109,6 @@ typedef struct VGACommonState {
     uint32_t lfb_vram_mapped; /* whether 0xa0000 is mapped as ram */
     uint32_t bios_offset;
     uint32_t bios_size;
-    int it_shift;
     uint32_t latch;
     uint8_t sr_index;
     uint8_t sr[256];