klibc: Upgrade to 2.0.6 release

Drop staging related patches which are not needed anymore

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Andrea Adami <andrea.adami@gmail.com>

meta-initramfs/recipes-devtools/klibc/klibc.inc

@@ -5,12 +5,10 @@ SECTION = "libs"
 LICENSE = "BSD-3-Clause & GPL-2.0 & MIT & Zlib"
 LIC_FILES_CHKSUM = "file://usr/klibc/LICENSE;md5=d75181f10e998c21eb147f6d2e43ce8b"
 DEPENDS = "linux-libc-headers perl-native"
-SRCREV = "4d19974d7020488f63651244e1f9f51727c3f66c"
+SRCREV = "22b36d1ae34416bc48869619cbb0cccb2070f48f"
 
 SRC_URI = "git://git.kernel.org/pub/scm/libs/klibc/klibc.git \
            ${ARMPATCHES} \
-           file://klibc-linux-libc-dev.patch \
-           file://staging.patch \
            file://klcc-consider-sysroot.patch \
            file://klcc-cross-accept-clang-options.patch \
            file://0001-dash-Specify-format-string-in-fmtstr.patch \
@@ -48,8 +46,6 @@ EXTRA_OEMAKE = "'KLIBCARCH=${KLIBC_ARCH}' \
                 'KLIBCOPTFLAGS=${TUNE_CCARGS} -Os' \
                  V=1 \
                 "
-EXTRA_OEMAKE += "'EXTRA_KLIBCAFLAGS=${SECURITY_CFLAGS} -Wa,--noexecstack' \
-                 'EXTRA_KLIBCLDFLAGS=${SECURITY_LDFLAGS} -z noexecstack'"
 
 export FIX_ARMV4_EABI_BX = "${FIX_V4BX}"
 KLIBCTHUMB = "${@['CONFIG_KLIBC_THUMB=n', 'CONFIG_KLIBC_THUMB=y'][(d.getVar('ARM_INSTRUCTION_SET') == 'thumb')]}"
@@ -76,10 +72,3 @@ KLIBC_ARCH_x86-64 = "x86_64"
 KLIBC_ARCH_powerpc = "ppc"
 KLIBC_ARCH_powerpc64 = "ppc64"
 THIS_LIBKLIBC = "libklibc (= ${PV}-${PR})"
-
-GCCPIE ?= ""
-SECURITY_LDFLAGS = "${@'-z relro -z now -pie' if '${GCCPIE}' else ''}"
-SECURITY_LDFLAGS_mips = ""
-SECURITY_LDFLAGS_mipsel = ""
-SECURITY_LDFLAGS_mips64 = ""
-SECURITY_LDFLAGS_mips64el = ""