gcc: Upgrade to 4.8.1

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qemu: update to 1.5.0

Patches removed:

0001-doc-Fix-texinfo-table-markup-in-qemu-options.hx.patch
 - applied
0002-docs-Fix-generating-qemu-doc.html-with-texinfo-5.patch
 - fixed different upstream
Revert-vmware_vga-Add-back-some-info-in-local-state-.patch
 - fixed different upstream
arm-bgr.patch
 - this should be also fixed upstream, if still issue please resend.
fallback-to-safe-mmap_min_addr.patch
 - this should be also fixed upstream, if still issue please resend.
linker-flags.patch
 - unneeded with makefile changes

from configure the obsolete --audio-cards-list option has been removed.
Tested-by: Khem Raj <raj.khem@gmail.com>

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>