x86/microcode/AMD: Get rid of __find_equiv_id()

Merge it into its only call site.

No functional changes.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20230227160352.7260-1-bp@alien8.de

arch/x86/kernel/cpu/microcode/amd.c

@@ -596,11 +596,6 @@ void reload_ucode_amd(unsigned int cpu)
 		}
 	}
 }
-static u16 __find_equiv_id(unsigned int cpu)
-{
-	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
-	return find_equiv_id(&equiv_table, uci->cpu_sig.sig);
-}
 
 /*
  * a small, trivial cache of per-family ucode patches
@@ -651,9 +646,11 @@ static void free_cache(void)
 
 static struct ucode_patch *find_patch(unsigned int cpu)
 {
+	struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
 	u16 equiv_id;
 
-	equiv_id = __find_equiv_id(cpu);
+
+	equiv_id = find_equiv_id(&equiv_table, uci->cpu_sig.sig);
 	if (!equiv_id)
 		return NULL;