Add .text.unlikely.* pattern to fips_shared.lds.

Newer versions of LLVM may use profile information to put code in
sections named .text.unlikely.*. Make sure those sections end up in
our .text section.

Change-Id: Ia0224fd8e683f5e77c60dd3ad34d59b33f9b41ab
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/44804
Commit-Queue: Peter Collingbourne <pcc@google.com>
Reviewed-by: Adam Langley <agl@google.com>

crypto/fipsmodule/fips_shared.lds

diff --git a/crypto/fipsmodule/fips_shared.lds b/crypto/fipsmodule/fips_shared.lds
index 323de73..ebd3c89 100644
--- a/crypto/fipsmodule/fips_shared.lds
+++ b/crypto/fipsmodule/fips_shared.lds
@@ -3,6 +3,7 @@
   .text : {
     BORINGSSL_bcm_text_start = .;
     *(.text)
+    *(.text.unlikely.*)
     BORINGSSL_bcm_text_end = .;
   }
   .rodata : {