spirv-llvm-translator: depend on llvm, not clang

At the moment the clang recipe provides llvm, but they could be split
in the future and this makes it clear that the translator just needs
libllvm and not the clang tools.

(From OE-Core rev: bf186c6b99fa6c986abe0bf00dce22dd8a68fad6)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-graphics/spir/spirv-llvm-translator_20.1.4.bb

@@ -13,7 +13,7 @@ SRC_URI = " \
 
 UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>\d+(\.\d+)+)"
 
-DEPENDS = "clang spirv-tools spirv-headers"
+DEPENDS = "llvm spirv-tools spirv-headers"
 
 inherit cmake pkgconfig python3native