16035 Update NEWS file for bugzillas 369175 and 370265
git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_3_12_BRANCH@16058
369441 bad lvec argument crashes process_vm_readv/writev syscall wrappers
369446 valgrind crashes on unknown fcntl command
369439 S390x: Unhandled insns RISBLG/RISBHG and LDE/LDER
+369175 jm_vec_isa_2_07 test crashes on ppc64
+370265 ISA 3.0 HW cap stuff needs updating
n-i-bz Fix incorrect (or infinite loop) unwind on RHEL7 x86 and amd64
n-i-bz massif --pages-as-heap=yes does not report peak caused by mmap+munmap