implemented SHA new instructions announced in recent Intel SDM extensions document rev015

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11748 6c8e4198-a580-4521-a02f-c9ae86df1db9
added new sha.cc file

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11749 6c8e4198-a580-4521-a02f-c9ae86df1db9
Fixed number of invocations of the BX_INSTR_LIN_ACCESS instrumentation callback in cpu/access32.cc, cpu/access64.cc and cpu/paging.cc specify the BX_READ memory access type where BX_RW really applies.
SF Patch #1335 by Mateusz Jurczyk



git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11750 6c8e4198-a580-4521-a02f-c9ae86df1db9
properly added sha.cc to the tree

git-svn-id: svn://svn.code.sf.net/p/bochs/code/trunk@11751 6c8e4198-a580-4521-a02f-c9ae86df1db9