6899006 Remove .byte asm directives and use new Intel Westmere opcodes 6647055 x86_64 MD5/SHA1 assembly source should use 32-bit registers when the assembler supports it

6494306 need single source for bignum code --HG-- rename : usr/src/uts/sun4u/rsa/Makefile => deleted_files/usr/src/uts/sun4u/rsa/Makefile rename : usr/src/uts/sun4u/rsa/mont_mulf.s => usr/src/common/bignum/sun4u/mont_mulf_kernel_v9.s rename : usr/src/uts/intel/rsa/Makefile.32 => usr/src/uts/intel/bignum/Makefile.32 rename : usr/src/uts/intel/rsa/Makefile.64 => usr/src/uts/intel/bignum/Makefile.64