[cmake] Allow building OpenSSL from source (#4032)

If YUZU_USE_BUNDLED_OPENSSL is off and OpenSSL is *not* installed to the
system, pulls in OpenSSL and Jimmy Park's CMake wrapper, then configures + builds from source.

Some patches were made on top of OpenSSL and openssl-cmake:
- USE_CCACHE is respected from UseCcache.cmake
- CXX/CFLAGS are passed from CMake to the configure script, which sends
  those to the compiler
- Uses a bundled cert.h akin to the bundled OpenSSL build

Closes #3614

~~Before merge: remove verbose stuff~~ actually useful so nvm

Signed-off-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/4032
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: Lizzie <lizzie@eden-emu.dev>

CMakeLists.txt

@@ -383,13 +383,20 @@ find_package(RenderDoc MODULE)
 # openssl funniness
 if (YUZU_USE_BUNDLED_OPENSSL)
     set(BUILD_SHARED_LIBS OFF)
+    AddJsonPackage(openssl-ci)
+else()
     AddJsonPackage(openssl)
+    set(OPENSSL_BUILD_VERBOSE ON)
+    set(OPENSSL_CONFIGURE_VERBOSE ON)
+
     if (OpenSSL_ADDED)
-        add_compile_definitions(YUZU_BUNDLED_OPENSSL)
+        AddJsonPackage(openssl-cmake)
     endif()
 endif()
 
-find_package(OpenSSL 3 REQUIRED)
+if (OpenSSL_ADDED)
+    add_compile_definitions(YUZU_BUNDLED_OPENSSL)
+endif()
 
 message(STATUS "Fetching needed dependencies with CPM")