MFC r268854
Initiate error recovery stats fail to update after 3 retries.
Change bxe_panic() ECORE_DBG_BREAK_IF() ECORE_BUG() ECORE_BUG_ON() to
panic only if ECORE_STOP_ON_ERROR is defined.

Approved by: re(gjb)
MFC Clang debuginfo crash fix

r271432: Merge upstream Clang rev 205331 debuginfo crash fix:

      Debug info: fix a crash when emitting IndirectFieldDecls, which were
      previously not handled at all.
      rdar://problem/16348575

r271433: Add clang patch corresponding to r271432

Approved by:	re
Sponsored by:	DARPA, AFRL
MFC r271445,r271446,r271560:
Improve markup and language throughout the ctl.conf man page

MFC r271543:
Add the new iscsi(4) man page
Cross reference it from iscsid(8) and iscsictl(8)

Approved by:	re (gjb), bcr (mentor)