treewide: add openssl

openssl is required for building the linux kernel.

Change-Id: Ic855e767b167b1ac3f3172e47e0f42e4f2f35252
Reviewed-on: https://review.monogon.dev/c/monogon/+/4255
Tested-by: Jenkins CI
Reviewed-by: Jan Schär <jan@monogon.tech>
diff --git a/third_party/openssl/patches/BUILD.bazel b/third_party/openssl/patches/BUILD.bazel
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/third_party/openssl/patches/BUILD.bazel
diff --git a/third_party/openssl/patches/force-gnuas.patch b/third_party/openssl/patches/force-gnuas.patch
new file mode 100644
index 0000000..5a81cee
--- /dev/null
+++ b/third_party/openssl/patches/force-gnuas.patch
@@ -0,0 +1,13 @@
+diff --git a/crypto/perlasm/x86_64-xlate.pl b/crypto/perlasm/x86_64-xlate.pl
+--- a/crypto/perlasm/x86_64-xlate.pl
++++ b/crypto/perlasm/x86_64-xlate.pl
+@@ -119,8 +119,9 @@
+ 		=~ /nvc .*/)
+ {
+     $gnuas=1;
+ }
++$gnuas=1;
+ 
+ my $cet_property;
+ if ($flavour =~ /elf/) {
+ 	# Always generate .note.gnu.property section for ELF outputs to