k1c: Define empty arch_jump_label_transform_static

Summary:
This avoid to be called for each static branch and rewrite NOP over NOP
which is useless in our case.

Test Plan: Checked that jump_label are still working correctly (self test)

Reviewers: O51 Linux Coolidge, gthouvenin

Reviewed By: O51 Linux Coolidge, gthouvenin

Subscribers: gthouvenin, alfred, #linux_coolidge_cc

Differential Revision: https://phab.kalray.eu/D2390

arch/k1c/kernel/jump_label.c

@@ -116,3 +116,14 @@ void arch_jump_label_transform(struct jump_entry *e,
 
 	patch_jump_label(insn_code, insn_addr);
 }
+
+void arch_jump_label_transform_static(struct jump_entry *entry,
+				      enum jump_label_type type)
+{
+	/*
+	 * We use the architected K1C NOP in arch_static_branch, so there's no
+	 * need to patch an identical K1C NOP over the top of it here. The core
+	 * will call arch_jump_label_transform from a module notifier if the
+	 * NOP needs to be replaced by a branch.
+	 */
+}