[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/mips/lib/memcmp.c b/src/kernel/linux/v4.19/arch/mips/lib/memcmp.c
new file mode 100644
index 0000000..35ef164
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/mips/lib/memcmp.c
@@ -0,0 +1,22 @@
+/*
+ *  copied from linux/lib/string.c
+ *
+ *  Copyright (C) 1991, 1992  Linus Torvalds
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+
+#undef memcmp
+int memcmp(const void *cs, const void *ct, size_t count)
+{
+	const unsigned char *su1, *su2;
+	int res = 0;
+
+	for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
+		if ((res = *su1 - *su2) != 0)
+			break;
+	return res;
+}
+EXPORT_SYMBOL(memcmp);
+