[PATCH] populate_sdk: Use pixz instead of xz

[Richard Purdie <richard.purdie@linuxfoundation.org>]

xz is slow at compressing the SDKs, we can speed it up by using the
parallel compressor, pixz.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/populate_sdk_base.bbclass b/meta/classes/populate_sdk_base.bbclass
index 7ca1df6..32dc290 100644
--- a/meta/classes/populate_sdk_base.bbclass
+++ b/meta/classes/populate_sdk_base.bbclass
@@ -40,7 +40,7 @@ TOOLCHAIN_TARGET_TASK_ATTEMPTONLY ?= ""
 TOOLCHAIN_OUTPUTNAME ?= "${SDK_NAME}-toolchain-${SDK_VERSION}"
 
 SDK_RDEPENDS = "${TOOLCHAIN_TARGET_TASK} ${TOOLCHAIN_HOST_TASK}"
-SDK_DEPENDS = "virtual/fakeroot-native xz-native"
+SDK_DEPENDS = "virtual/fakeroot-native pixz-native"
 
 # We want the MULTIARCH_TARGET_SYS to point to the TUNE_PKGARCH, not PACKAGE_ARCH as it
 # could be set to the MACHINE_ARCH
@@ -177,7 +177,7 @@ fakeroot tar_sdk() {
 	# Package it up
 	mkdir -p ${SDK_DEPLOY}
 	cd ${SDK_OUTPUT}/${SDKPATH}
-	tar ${SDKTAROPTS} -cf - . | xz > ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.xz
+	tar ${SDKTAROPTS} -cf - . | pixz > ${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.tar.xz
 }
 
 fakeroot create_shar() {