Added atomic code for PowerPC
Added atomic code for PowerPC

Original commit message from CVS:
Added atomic code for PowerPC

ylatuya/gstreamer,Distrotech/gstreamer,drothlis/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,centricular/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,ahmedammar/platform_external_gst_gstreamer,ensonic/gstreamer,jpxiong/gstreamer,centricular/gstreamer,krichter722/gstreamer,shelsonjava/gstreamer,collects/gstreamer,ylatuya/gstreamer,Distrotech/gstreamer,mparis/gstreamer,centricular/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,ahmedammar/platform_external_gst_gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,Lachann/gstreamer,magcius/gstreamer,krichter722/gstreamer,cfoch/gstreamer,shelsonjava/gstreamer,cablelabs/gstreamer,krieger-od/gstreamer,collects/gstreamer,centricular/gstreamer,magcius/gstreamer,cablelabs/gstreamer,jpakkane/gstreamer,drothlis/gstreamer,cablelabs/gstreamer,mparis/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,krieger-od/gstreamer,ahmedammar/platform_external_gst_gstreamer,magcius/gstreamer,mparis/gstreamer,ahmedammar/platform_external_gst_gstreamer,cfoch/gstreamer,lovebug356/gstreamer,mparis/gstreamer,justinjoy/gstreamer,lovebug356/gstreamer,collects/gstreamer,Distrotech/gstreamer,surround-io/gstreamer,ensonic/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,Distrotech/gstreamer,Lachann/gstreamer,Lachann/gstreamer,shelsonjava/gstreamer,cfoch/gstreamer,drothlis/gstreamer,ylatuya/gstreamer,jpxiong/gstreamer,centricular/gstreamer,mparis/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,surround-io/gstreamer,Lachann/gstreamer,krichter722/gstreamer,Distrotech/gstreamer,lovebug356/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,collects/gstreamer,ahmedammar/platform_external_gst_gstreamer,collects/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,cfoch/gstreamer,Lachann/gstreamer,drothlis/gstreamer,drothlis/gstreamer,surround-io/gstreamer,magcius/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,mrchapp/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,ylatuya/gstreamer,mrchapp/gstreamer,magcius/gstreamer,lubosz/gstreamer,cablelabs/gstreamer,shelsonjava/gstreamer,surround-io/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,StreamUtils/gstreamer,ylatuya/gstreamer,mrchapp/gstreamer