CMakeLists: Fix Fuchsia build.

This CL adds -Wno-deprecated-copy to the CLang compile options, to
avoid multiple errors with Fuchsia's Clang toolchain.

Also updates the package name used to access Fuchsia libaries from
FuchsiaSdk to FuchsiaLibraries. This reflects changes performed in
https://fuchsia-review.googlesource.com/c/fuchsia/+/379673/

Bug: None
Change-Id: Ie97a69a2bd9adaa043b3be2abdbf2e8a6dcd1936
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/44017
Presubmit-Ready: David Turner <digit@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Tested-by: David Turner <digit@google.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6601868..e5ce24f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@
 elseif(FUCHSIA)
     # NOTE: Building for Fuchsia requires a Fuchsia CMake-based SDK.
     # See https://fuchsia-review.googlesource.com/c/fuchsia/+/379673
-    find_package(FuchsiaSdk)
+    find_package(FuchsiaLibraries)
 else()
     message(FATAL_ERROR "Platform is not supported")
 endif()
@@ -406,6 +406,7 @@
             "-Wno-undefined-var-template"         # instantiation of variable 'X' required here, but no definition is available
             "-Wno-extra-semi"                     # extra ';' after member function definition
             "-Wno-unused-parameter"               # unused parameter 'X'
+            "-Wno-deprecated-copy"                # implicit copy constructor for 'X' is deprecated because of user-declared copy assignment operator.
 
             # Silence errors caused by unknown warnings when building with older
             # versions of Clang. This demands checking that warnings added above