update libeap for CONFIG_FIPS fix

diff --git a/moonshot/libeap b/moonshot/libeap
index c6c1392..87fc20f 160000 (submodule)
--- a/moonshot/libeap
+++ b/moonshot/libeap
@@ -1 +1 @@
-Subproject commit c6c13928e5304a63d4bf1b6960caa1104f674579
+Subproject commit 87fc20fec593f6183dac698ecb4f4ff1a94d9112