Point to new linux prebuilt toolchain for SDK build

Change-Id: I21849119b0f3f45f950e9e6d1da0833aff381fb7
diff --git a/core/combo/HOST_linux-x86.mk b/core/combo/HOST_linux-x86.mk
index 5974fbf..6cee6ea 100644
--- a/core/combo/HOST_linux-x86.mk
+++ b/core/combo/HOST_linux-x86.mk
@@ -33,13 +33,13 @@
 # LOCAL_CC and LOCAL_CXX to override this.
 #
 ifeq ($(TARGET_PRODUCT),sdk)
-HOST_SDK_TOOLCHAIN_PREFIX := prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/bin/i686-linux
+HOST_SDK_TOOLCHAIN_PREFIX := prebuilts/tools/gcc-sdk
 # Don't do anything if the toolchain is not there
-ifneq (,$(strip $(wildcard $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc)))
-HOST_CC  := $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc
-HOST_CXX := $(HOST_SDK_TOOLCHAIN_PREFIX)-g++
-HOST_AR  := $(HOST_SDK_TOOLCHAIN_PREFIX)-ar
-endif # $(HOST_SDK_TOOLCHAIN_PREFIX)-gcc exists
+ifneq (,$(strip $(wildcard $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc)))
+HOST_CC  := $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc
+HOST_CXX := $(HOST_SDK_TOOLCHAIN_PREFIX)/g++
+HOST_AR  := $(HOST_SDK_TOOLCHAIN_PREFIX)/ar
+endif # $(HOST_SDK_TOOLCHAIN_PREFIX)/gcc exists
 endif # TARGET_PRODUCT == sdk
 
 ifneq ($(strip $(BUILD_HOST_64bit)),)