python3-grpcio: use openssl instead of bundled boringssl-with-bazel

grpc recipe already uses system openssl without problem.
This also allows to remove 2 patches to maintain and corrects license,
SPDX and CVE handling.

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-grpcio_1.69.0.bb

@@ -4,14 +4,12 @@ SECTION = "devel/python"
 LICENSE = "Apache-2.0 & BSD-3-Clause"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=731e401b36f8077ae0c134b59be5c906"
 
-DEPENDS += "python3-protobuf"
+DEPENDS += "openssl python3-protobuf"
 
 SRC_URI += "file://0001-python-enable-unbundled-cross-compilation.patch \
            file://0001-Include-missing-cstdint-header.patch \
            file://abseil-ppc-fixes.patch \
            file://0001-zlib-Include-unistd.h-for-open-close-C-APIs.patch \
-           file://0001-crypto-use-_Generic-only-if-defined-__cplusplus.patch;patchdir=third_party/boringssl-with-bazel/src/ \
-           file://0001-target.h-define-proper-macro-for-ppc-ppc64.patch \
            "
 SRC_URI[sha256sum] = "936fa44241b5379c5afc344e1260d467bee495747eaf478de825bab2791da6f5"
 
@@ -22,18 +20,7 @@ inherit pypi
 
 CFLAGS:append:libc-musl = " -D_LARGEFILE64_SOURCE"
 
-BORING_SSL_PLATFORM:arm = "linux-arm"
-BORING_SSL_PLATFORM:x86-64 = "linux-x86_64"
-BORING_SSL_PLATFORM:aarch64 = "linux-aarch64"
-BORING_SSL_PLATFORM ?= "unsupported"
-export GRPC_BORING_SSL_PLATFORM = "${BORING_SSL_PLATFORM}"
-export GRPC_BUILD_OVERRIDE_BORING_SSL_ASM_PLATFORM = "${BORING_SSL_PLATFORM}"
-
-BORING_SSL:arm = "1"
-BORING_SSL:x86-64 = "1"
-BORING_SSL:aarch64 = "1"
-BORING_SSL ?= "0"
-export GRPC_BUILD_WITH_BORING_SSL_ASM = "${BORING_SSL}"
+export GRPC_PYTHON_BUILD_SYSTEM_OPENSSL = "1"
 
 GRPC_CFLAGS ?= ""
 GRPC_CFLAGS:append:toolchain-clang = " -fvisibility=hidden -fno-wrapv -fno-exceptions"