[SeaBIOS] [PATCH 6/6] vgabios: Place a signature at offset 0x1e of the rom.

[Kevin O'Connor]

It appears some emulators look for a signature at offset 0x1e of the
option rom.  So, port the signature from the LGPL bios.

Signed-off-by: Kevin O'Connor 
---
 vgasrc/vgaentry.S |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/vgasrc/vgaentry.S b/vgasrc/vgaentry.S
index 2dc07c1..112857b 100644
--- a/vgasrc/vgaentry.S
+++ b/vgasrc/vgaentry.S
@@ -40,6 +40,10 @@ _rom_header_pcidata:
 #endif
 _rom_header_pnpdata:
         .word 0
+_rom_header_other2:
+        .word 0
+_rom_header_signature:
+        .asciz "IBM"

/****************************************************************