rust-target-config: Update the data layout for ppc64 targets.

Rust commit for updating the data layouts:
https://github.com/rust-lang/rust/commit/0680155a171d47772302fc4da4cbbfa466378d81

(From OE-Core rev: cf1972b7b96bb38b48e90654a8c840568e4646cf)

Signed-off-by: Deepesh Varatharajan <Deepesh.Varatharajan@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes-recipe/rust-target-config.bbclass

@@ -248,14 +248,14 @@ TARGET_C_INT_WIDTH[powerpc] = "32"
 MAX_ATOMIC_WIDTH[powerpc] = "32"
 
 ## powerpc64-unknown-linux-{gnu, musl}
-DATA_LAYOUT[powerpc64] = "E-m:e-Fi64-i64:64-n32:64-S128-v256:256:256-v512:512:512"
+DATA_LAYOUT[powerpc64] = "E-m:e-Fi64-i64:64-i128:128-n32:64-S128-v256:256:256-v512:512:512"
 TARGET_ENDIAN[powerpc64] = "big"
 TARGET_POINTER_WIDTH[powerpc64] = "64"
 TARGET_C_INT_WIDTH[powerpc64] = "32"
 MAX_ATOMIC_WIDTH[powerpc64] = "64"
 
 ## powerpc64le-unknown-linux-{gnu, musl}
-DATA_LAYOUT[powerpc64le] = "e-m:e-Fn32-i64:64-n32:64-S128-v256:256:256-v512:512:512"
+DATA_LAYOUT[powerpc64le] = "e-m:e-Fn32-i64:64-i128:128-n32:64-S128-v256:256:256-v512:512:512"
 TARGET_ENDIAN[powerpc64le] = "little"
 TARGET_POINTER_WIDTH[powerpc64le] = "64"
 TARGET_C_INT_WIDTH[powerpc64le] = "32"