Added BoringSSL patch for s390x & ppc64le

Signed-off-by: Ted Poole <tpoole@redhat.com>

Author: tedjpoole

bazel/boringssl-bssl-compat.patch

@@ -0,0 +1,16 @@
+diff --git a/BUILD.bazel b/BUILD.bazel
+index b7dc359..cd87639 100644
+--- a/BUILD.bazel
++++ b/BUILD.bazel
+@@ -66,6 +66,11 @@ license(
+ 
+ exports_files(["LICENSE"])
+ 
++# Export additional files for bssl-compat layer
++exports_files(glob(["include/**/*"]))
++exports_files(glob(["crypto/**/*"]))
++exports_files(glob(["ssl/**/*"]))
++
+ bssl_cc_library(
+     name = "crypto",
+     srcs = bcm_sources + crypto_sources,

bazel/boringssl-s390x-ppc64le.patch

@@ -0,0 +1,15 @@
+diff --git a/include/openssl/target.h b/include/openssl/target.h
+index 8d4763d..79f52ba 100644
+--- a/include/openssl/target.h
++++ b/include/openssl/target.h
+@@ -54,6 +54,10 @@
+ #define OPENSSL_32_BIT
+ #elif defined(__myriad2__)
+ #define OPENSSL_32_BIT
++#elif defined(__s390__) || defined(__s390x__) || defined(__zarch__)
++#define OPENSSL_64_BIT
++#elif defined(__ppc64le__) || defined(__ARCH_PPC64LE__) || defined(_ARCH_PPC64)
++#define OPENSSL_64_BIT
+ #else
+ // The list above enumerates the platforms that BoringSSL supports. For these
+ // platforms we keep a reasonable bar of not breaking them: automated test

bazel/repositories.bzl

@@ -264,13 +264,11 @@ def envoy_dependencies(skip_targets = []):
 def _boringssl():
     external_http_archive(
         name = "boringssl",
-        patch_cmds = [
-            # Enable bssl-compat to copy out & use parts of the source tree
-            # that don't get exported from the bazel BUILD file by default.
-            """echo 'exports_files(glob(["crypto/**/*"]))' >> BUILD.bazel""",
-            """echo 'exports_files(glob(["ssl/**/*"]))' >> BUILD.bazel""",
-            """echo 'exports_files(glob(["include/**/*"]))' >> BUILD.bazel""",
+        patches = [
+            "@envoy//bazel:boringssl-bssl-compat.patch",
+            "@envoy//bazel:boringssl-s390x-ppc64le.patch",
         ],
+        patch_args = ["-p1"],
     )
 
 def _boringssl_fips():