buildgcc: Update and fix GDB

GDB stopped building ever since we updated from version 7.6
but nobody noticed ;)
Update from 7.9 to 7.9.1 and bring the required patches forward.

Change-Id: I2f357525a46d5540e9f57b80d830943bbd5dfcaf
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/10494
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index 83b9d82..77f2248 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -22,8 +22,8 @@
 
 cd $(dirname $0)
 
-CROSSGCC_DATE="June 4th, 2015"
-CROSSGCC_VERSION="1.29"
+CROSSGCC_DATE="June 9th, 2015"
+CROSSGCC_VERSION="1.30"
 
 # default settings
 TARGETDIR=$(pwd)/xgcc
@@ -38,7 +38,7 @@
 GCC_VERSION=4.9.2
 GCC_AUTOCONF_VERSION=2.69
 BINUTILS_VERSION=2.25
-GDB_VERSION=7.9
+GDB_VERSION=7.9.1
 IASL_VERSION=20150204
 PYTHON_VERSION=3.4.3
 EXPAT_VERSION=2.1.0