cross/gcc-*: upgrade to 10.3.1_git20210424-r2

Upstream commit: https://gitlab.alpinelinux.org/alpine/aports/commit/9a63416183087f223b7c63eb6319e9d3481816c0

cross/gcc-aarch64/APKBUILD

@@ -31,7 +31,7 @@ pkgver=10.3.1_git20210424
 [ "$CHOST" != "$CTARGET" ] && _target="-$CTARGET_ARCH" || _target=""
 
 pkgname=gcc-aarch64
-pkgrel=1
+pkgrel=2
 pkgdesc="Stage2 cross-compiler for aarch64"
 url="https://gcc.gnu.org"
 arch="x86_64"
@@ -288,6 +288,7 @@ build() {
 	i486-*-*-*)		_arch_configure="--with-arch=i486 --with-tune=generic --enable-cld";;
 	i586-*-*-*)		_arch_configure="--with-arch=i586 --with-tune=generic --enable-cld";;
 	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
+	riscv64-*-*-*)		_arch_configure="--with-arch=rv64gc --with-abi=lp64d --enable-autolink-libatomic";;
 	esac
 
 	case "$CTARGET_ARCH" in

cross/gcc-armhf/APKBUILD

@@ -31,7 +31,7 @@ pkgver=10.3.1_git20210424
 [ "$CHOST" != "$CTARGET" ] && _target="-$CTARGET_ARCH" || _target=""
 
 pkgname=gcc-armhf
-pkgrel=1
+pkgrel=2
 pkgdesc="Stage2 cross-compiler for armhf"
 url="https://gcc.gnu.org"
 arch="x86_64"
@@ -288,6 +288,7 @@ build() {
 	i486-*-*-*)		_arch_configure="--with-arch=i486 --with-tune=generic --enable-cld";;
 	i586-*-*-*)		_arch_configure="--with-arch=i586 --with-tune=generic --enable-cld";;
 	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
+	riscv64-*-*-*)		_arch_configure="--with-arch=rv64gc --with-abi=lp64d --enable-autolink-libatomic";;
 	esac
 
 	case "$CTARGET_ARCH" in

cross/gcc-armv7/APKBUILD

@@ -31,7 +31,7 @@ pkgver=10.3.1_git20210424
 [ "$CHOST" != "$CTARGET" ] && _target="-$CTARGET_ARCH" || _target=""
 
 pkgname=gcc-armv7
-pkgrel=1
+pkgrel=2
 pkgdesc="Stage2 cross-compiler for armv7"
 url="https://gcc.gnu.org"
 arch="x86_64"
@@ -288,6 +288,7 @@ build() {
 	i486-*-*-*)		_arch_configure="--with-arch=i486 --with-tune=generic --enable-cld";;
 	i586-*-*-*)		_arch_configure="--with-arch=i586 --with-tune=generic --enable-cld";;
 	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
+	riscv64-*-*-*)		_arch_configure="--with-arch=rv64gc --with-abi=lp64d --enable-autolink-libatomic";;
 	esac
 
 	case "$CTARGET_ARCH" in