Merge remote-tracking branch 'remotes/kraxel/tags/pull-roms-2' into staging

seabios: update to 1.7.5-rc1
ipxe: update to current git

# gpg: Signature made Thu 15 May 2014 13:29:37 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-roms-2:
  ipxe: update to current git
  seabios: update to 1.7.5-rc1
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

roms/config.ipxe.general.h

 #undef BANNER_TIMEOUT
-#define BANNER_TIMEOUT 0
+#define BANNER_TIMEOUT 30
+#undef ROM_BANNER_TIMEOUT
+#define ROM_BANNER_TIMEOUT 0

roms/config.seabios-128k

 # for qemu machine types 1.7 + older
-# need to turn off features (xhci) to make it fit into 128k
+# need to turn off features (xhci,uas) to make it fit into 128k
 CONFIG_QEMU=y
 CONFIG_ROM_SIZE=128
 CONFIG_XEN=n
 CONFIG_USB_XHCI=n
+CONFIG_USB_UAS=n

ipxe @ 69313eda

-Subproject commit 09c5109b8585178172c7608de8d52e9d9af0b680
+Subproject commit 69313edad85f8958acc8a47272b3c3da494835ec

seabios @ b1d4dc90

-Subproject commit 96917a8ed761f017fc8c72ba3b9181fbac03ac59
+Subproject commit b1d4dc908401719c5de78c25313cf82c7cd1d602