depmod: Ignore PowerPC64 ABIv2 .TOC. symbol

The .TOC. symbol on the PowerPC64 ABIv2 identifies the GOT
pointer, similar to how other architectures use _GLOBAL_OFFSET_TABLE_.

This is not a symbol that needs relocation, and should be ignored
by depmod.
diff --git a/tools/depmod.c b/tools/depmod.c
index 6e9bb4d..a2e07c1 100644
--- a/tools/depmod.c
+++ b/tools/depmod.c
@@ -2153,6 +2153,8 @@
 	depmod_symbol_add(depmod, "__this_module", true, 0, NULL);
 	/* On S390, this is faked up too */
 	depmod_symbol_add(depmod, "_GLOBAL_OFFSET_TABLE_", true, 0, NULL);
+	/* On PowerPC64 ABIv2, .TOC. is more or less _GLOBAL_OFFSET_TABLE_ */
+	depmod_symbol_add(depmod, "TOC.", true, 0, NULL);
 }
 
 static int depmod_load_symvers(struct depmod *depmod, const char *filename)