Set OPENSSL_NO_ASM in win_arm64_msvc_compile

Last blocker, I hope. Right now, to build with MSVC on arm64, you have
to pass OPENSSL_NO_ASM, or we'll try to build gas assembly with MSVC's
armasm64 assembler.

I'm a little confused why CMake is detecting this as arm64asm as
language ASM, but ah well. Looks like newer CMake supports this as
ASM_MARMASM. But arm64asm uses a different syntax from gas, so
supporting it will be tedious.

Change-Id: I714fe2e47c167e6607d8e7763308b7762fed3f2f
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/58045
Reviewed-by: Adam Langley <agl@google.com>

generated/cr-buildbucket.cfg

diff --git a/generated/cr-buildbucket.cfg b/generated/cr-buildbucket.cfg
index 7ca8c1d..aa1bfe6 100644
--- a/generated/cr-buildbucket.cfg
+++ b/generated/cr-buildbucket.cfg
@@ -3766,7 +3766,8 @@
         '{'
         '  "cmake_args": {'
         '    "CMAKE_SYSTEM_NAME": "Windows",'
-        '    "CMAKE_SYSTEM_PROCESSOR": "arm64"'
+        '    "CMAKE_SYSTEM_PROCESSOR": "arm64",'
+        '    "OPENSSL_NO_ASM": "1"'
         '  },'
         '  "gclient_vars": {'
         '    "checkout_nasm": false'

generated/project.cfg

diff --git a/generated/project.cfg b/generated/project.cfg
index ddb3778..ac7bcf0 100644
--- a/generated/project.cfg
+++ b/generated/project.cfg
@@ -7,7 +7,7 @@
 name: "boringssl"
 access: "group:all"
 lucicfg {
-  version: "1.38.1"
+  version: "1.38.2"
   package_dir: ".."
   config_dir: "generated"
   entry_point: "main.star"

main.star

diff --git a/main.star b/main.star
index fe8842d..25e618f 100755
--- a/main.star
+++ b/main.star
@@ -1011,6 +1011,8 @@
             # MSVC will pick up the architecture from msvc_target.
             "CMAKE_SYSTEM_NAME": "Windows",
             "CMAKE_SYSTEM_PROCESSOR": "arm64",
+            # We do not currently support Windows arm64 assembly with MSVC.
+            "OPENSSL_NO_ASM": "1",
         },
         "gclient_vars": {
             "checkout_nasm": False,