Bug 1075183 - Use the same gcc on b2g linux builds as on browser linux builds, and enable sccache. r=mshal,a=kwierso

b2g/config/mozconfigs/common

@@ -2,9 +2,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-no_tooltool=1
-no_sccache=1
-
 # This file is included at the top of all b2g mozconfigs
 
 . "$topsrcdir/build/mozconfig.common"

b2g/config/tooltool-manifests/linux32/releng.manifest

@@ -6,6 +6,13 @@
 "filename": "setup.sh"
 },
 {
+"size": 80458572,
+"digest": "e5101f9dee1e462f6cbd3897ea57eede41d23981825c7b20d91d23ab461875d54d3dfc24999aa58a31e8b01f49fb3140e05ffe5af2957ef1d1afb89fd0dfe1ad",
+"algorithm": "sha512",
+"filename": "gcc.tar.xz",
+"unpack": "True"
+},
+{
 "size": 168320,
 "digest": "c0f4a2da0b07ca6fc69290fbc5ed68f56c6b1ba4d593b220fd49b14ac4885e6ec949e695fd9a7ac464e0e86b652e99f6bd4af849fec072264b29a8f9686d2fc4",
 "algorithm": "sha512",

b2g/config/tooltool-manifests/linux64/releng.manifest

@@ -6,6 +6,13 @@
 "filename": "setup.sh"
 },
 {
+"size": 80458572,
+"digest": "e5101f9dee1e462f6cbd3897ea57eede41d23981825c7b20d91d23ab461875d54d3dfc24999aa58a31e8b01f49fb3140e05ffe5af2957ef1d1afb89fd0dfe1ad",
+"algorithm": "sha512",
+"filename": "gcc.tar.xz",
+"unpack": "True"
+},
+{
 "size": 168320,
 "digest": "c0f4a2da0b07ca6fc69290fbc5ed68f56c6b1ba4d593b220fd49b14ac4885e6ec949e695fd9a7ac464e0e86b652e99f6bd4af849fec072264b29a8f9686d2fc4",
 "algorithm": "sha512",