lz4: Use ARM64 v8 ASM to accelerate lz4 decompression

Signed-off-by: Tashfin Shakeer Rhythm <tashfinshakeerrhythm@gmail.com>
Signed-off-by: Helium-Studio <67852324+Helium-Studio@users.noreply.github.com>

lib/lz4/lz4.c

@@ -3239,8 +3239,13 @@ int LZ4_decompress_safe_continue(LZ4_streamDecode_t *LZ4_streamDecode,
 	if (lz4sd->prefixSize == 0) {
 		/* The first call, no dictionary yet. */
 		assert(lz4sd->extDictSize == 0);
+#if defined(CONFIG_ARM64) && defined(CONFIG_KERNEL_MODE_NEON)
+		result = LZ4_arm64_decompress_safe(source, dest, compressedSize,
+						   maxOutputSize, false);
+#else
 		result = LZ4_decompress_safe(source, dest, compressedSize,
 					     maxOutputSize);
+#endif
 		if (result <= 0)
 			return result;
 		lz4sd->prefixSize = (size_t)result;