Add x86_64-linux-icc target to build VP8 with icc

Add a target for icc.

Change-Id: Ia1db82373d9c7268848bbb65c9483d408b9d933f

build/make/configure.sh

@@ -797,6 +797,8 @@ process_common_toolchain() {
                 setup_gnu_toolchain
                 add_cflags -use-msasm -use-asm
                 add_ldflags -i-static
+                enabled x86_64 && add_cflags -ipo -no-prec-div -static -xSSE3 -axSSE3
+                enabled x86_64 && AR=xiar
                 ;;
             gcc*)
                 add_cflags  -m${bits}

configure

@@ -109,6 +109,7 @@ all_platforms="${all_platforms} x86-win32-vs7"
 all_platforms="${all_platforms} x86-win32-vs8"
 all_platforms="${all_platforms} x86_64-darwin9-gcc"
 all_platforms="${all_platforms} x86_64-linux-gcc"
+all_platforms="${all_platforms} x86_64-linux-icc"
 all_platforms="${all_platforms} x86_64-solaris-gcc"
 all_platforms="${all_platforms} x86_64-win64-vs8"
 all_platforms="${all_platforms} universal-darwin8-gcc"