This patch fixes the `R_METAG_NONE` error.
Found at: https://lore.kernel.org/patchwork/patch/696647/

The error message:
recordmcount.c: In function 'do_file':
scripts/recordmcount.c:351:28: error: 'R_METAG_ADDR32' undeclared (first use in this function)
  351 |  case EM_METAG:  reltype = R_METAG_ADDR32;
      |                            ^~~~~~~~~~~~~~
scripts/recordmcount.c:351:28: note: each undeclared identifier is reported only once for each function it appears in
scripts/recordmcount.c:353:20: error: 'R_METAG_NONE' undeclared (first use in this function); did you mean 'R_MIPS_NONE'?
  353 |     rel_type_nop = R_METAG_NONE;
      |                    ^~~~~~~~~~~~
      |                    R_MIPS_NONE


diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index e1675927..42396a7 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -33,10 +33,17 @@
 #include <string.h>
 #include <unistd.h>

+/*
+ * glibc synced up and added the metag number but didn't add the relocations.
+ * Work around this in a crude manner for now.
+ */
 #ifndef EM_METAG
-/* Remove this when these make it to the standard system elf.h. */
 #define EM_METAG      174
+#endif
+#ifndef R_METAG_ADDR32
 #define R_METAG_ADDR32                   2
+#endif
+#ifndef R_METAG_NONE
 #define R_METAG_NONE                     3
 #endif