qemu: bump version to 2.5.0

- Bump version to 2.5.0.

- Update hash file.

- Remove upstreamed patch:

  http://git.qemu.org/?p=qemu.git;a=commit;h=fccd35a04640a728f979e6d72b2c7d02c05549f0



- Remove non-existent configure options:

  ERROR: unknown option --disable-guest-base
  Try './configure --help' for more information

  ERROR: unknown option --disable-smartcard-nss
  Try './configure --help' for more information

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>