cross-powerpc64le-linux-gnu: fix glibc-headers configure

Using --target is wrong, the correct argument is --host otherwise
it will use incorrect headers.

[ci skip]

Closes: #11352 [via git-merge-pr]

srcpkgs/cross-powerpc64le-linux-gnu/template

@@ -9,7 +9,7 @@ _sysroot="/usr/${_triplet}"
 
 pkgname=cross-${_triplet}
 version=0.30
-revision=1
+revision=2
 short_desc="GNU cross toolchain for the ${_triplet} targets (binutils/gcc/glibc)"
 maintainer="q66 <daniel@octaforge.org>"
 homepage="https://www.voidlinux.org/"
@@ -159,8 +159,8 @@ _glibc_headers() {
 		AS="${_triplet}-as" CPP="${_triplet}-cpp" \
 		NM="${_triplet}-nm"
 
-	_args="--target=${_triplet}"
-	_args+=" --prefix=/usr"
+	_args=" --prefix=/usr"
+	_args+=" --host=${_triplet}"
 	_args+=" --with-headers=${_sysroot}/usr/include"
 	_args+=" --config-cache"
 	_args+=" --enable-obsolete-rpc"