Update README.md nasm version requirement
Update README.md nasm version requirement

Version 2.10.06 has some RIP-relative relocation fixes for macho64
that are needed to generate correct code on 64-bit OS X with recent
code changes.

nfedera/cisco-openh264,sijchen/openh264,cisco/openh264,huili2/openh264,ruil2/openh264,nfedera/cisco-openh264,ganyangbbl/openh264,cisco/openh264,nfedera/cisco-openh264,huili2/openh264,sijchen/openh264,nfedera/cisco-openh264,shihuade/openh264,ganyangbbl/openh264,cisco/openh264,shihuade/openh264,shihuade/openh264,ruil2/openh264,mstorsjo/openh264,ruil2/openh264,shihuade/openh264,sijchen/openh264,sijchen/openh264,ruil2/openh264,cisco/openh264,ganyangbbl/openh264,ganyangbbl/openh264,cisco/openh264,nfedera/cisco-openh264,GuangweiWang/openh264,sijchen/openh264,shihuade/openh264,PeterXu/openh264,PeterXu/openh264,mstorsjo/openh264,shihuade/openh264,mstorsjo/openh264,GuangweiWang/openh264,shihuade/openh264,huili2/openh264,cisco/openh264,nfedera/cisco-openh264,GuangweiWang/openh264,GuangweiWang/openh264,PeterXu/openh264,cisco/openh264,mstorsjo/openh264,GuangweiWang/openh264,ruil2/openh264,PeterXu/openh264,GuangweiWang/openh264,PeterXu/openh264,huili2/openh264,sijchen/openh264,PeterXu/openh264,ruil2/openh264,ruil2/openh264,huili2/openh264,mstorsjo/openh264,sijchen/openh264,huili2/openh264,mstorsjo/openh264,ganyangbbl/openh264,PeterXu/openh264,nfedera/cisco-openh264,huili2/openh264,mstorsjo/openh264,ganyangbbl/openh264,ganyangbbl/openh264,GuangweiWang/openh264