pigz: bump to 2.3.1

Update pigz to latest release - 2.3.1
Drop ldflags.patch as it has been merged upstream

(From OE-Core rev: 8081dcb03f54efd551d1c8fe8a0484f8270053e0)

Signed-off-by: Maxin B. John <maxin.john@enea.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/pigz/files/ldflags.patch

@@ -1,19 +0,0 @@
-Link using the bitbake LDFLAGS.
-
-Signed-off-by: Björn Stenberg <bjst@enea.com>
-
-Upstream-Status: Pending
-
-Index: pigz-2.3/Makefile
-===================================================================
---- pigz-2.3.orig/Makefile
-+++ pigz-2.3/Makefile
-@@ -3,7 +3,7 @@ CFLAGS=-O3 -Wall -Wextra
- 
- 
- pigz: pigz.o yarn.o zopfli/deflate.o zopfli/blocksplitter.o zopfli/tree.o zopfli/lz77.o zopfli/cache.o zopfli/hash.o zopfli/util.o zopfli/squeeze.o zopfli/katajainen.o
--	$(CC) -o pigz $^ -lpthread -lz
-+	$(CC) ${LDFLAGS} -o pigz $^ -lpthread -lz -lm
- 	ln -f pigz unpigz
- 
- pigz.o: pigz.c yarn.h zopfli/deflate.h zopfli/util.h

meta/recipes-extended/pigz/pigz.inc

@@ -7,10 +7,7 @@ HOMEPAGE = "http://zlib.net/pigz/"
 SECTION = "console/utils"
 LICENSE = "Zlib"
 
-PR = "r1"
-
-SRC_URI = "http://zlib.net/pigz/pigz-${PV}.tar.gz \
-           file://ldflags.patch"
+SRC_URI = "http://zlib.net/pigz/pigz-${PV}.tar.gz"
 
 PROVIDES_class-native += "gzip-native"
 
@@ -33,4 +30,3 @@ ALTERNATIVE_${PN} = "gzip gunzip"
 ALTERNATIVE_LINK_NAME[gzip] = "${base_bindir}/gzip"
 ALTERNATIVE_LINK_NAME[gunzip] = "${base_bindir}/gunzip"
 ALTERNATIVE_PRIORITY = "80"
-

meta/recipes-extended/pigz/pigz_2.3.1.bb

@@ -1,8 +1,8 @@
 require pigz.inc
 LIC_FILES_CHKSUM = "file://pigz.c;beginline=7;endline=21;md5=a21d4075cb00ab4ca17fce5e7534ca95"
 
-SRC_URI[md5sum] = "042e3322534f2c3d761736350cac303f"
-SRC_URI[sha256sum] = "74bbd5962f9420549fc987ddd1ccda692ec2b29d2d612fbbe26edf3fa348ff21"
+SRC_URI[md5sum] = "e803f8bc0770c7a5e96dccb1d2dd2aab"
+SRC_URI[sha256sum] = "629b0ce5422a3978f31742bf8275d0be2f84987140d18f390f1e3b4e46e0af54"
 
 NATIVE_PACKAGE_PATH_SUFFIX = "/${PN}"