vp9_reconintra_neon_asm/tm: simplify above_left load
vp9_reconintra_neon_asm/tm: simplify above_left load

use vld1.8 {d0[]}, [r0] rather than ldrb+vdup; mildly faster

Change-Id: I5c24d49a90c2855c94395184774b289da8e9d5a7

shacklettbp/aom,openpeer/libvpx_new,Topopiccione/libvpx,mbebenita/aom,GrokImageCompression/aom,mwgoldsmith/libvpx,felipebetancur/libvpx,running770/libvpx,luctrudeau/aom,webmproject/libvpx,mwgoldsmith/libvpx,Topopiccione/libvpx,felipebetancur/libvpx,jmvalin/aom,VTCSecureLLC/libvpx,stewnorriss/libvpx,luctrudeau/aom,thdav/aom,ittiamvpx/libvpx-1,ittiamvpx/libvpx-1,webmproject/libvpx,mwgoldsmith/vpx,shacklettbp/aom,liqianggao/libvpx,mwgoldsmith/libvpx,luctrudeau/aom,luctrudeau/aom,shyamalschandra/libvpx,felipebetancur/libvpx,goodleixiao/vpx,smarter/aom,mwgoldsmith/vpx,smarter/aom,ittiamvpx/libvpx-1,thdav/aom,webmproject/libvpx,zofuthan/libvpx,jmvalin/aom,ShiftMediaProject/libvpx,stewnorriss/libvpx,mbebenita/aom,liqianggao/libvpx,zofuthan/libvpx,webmproject/libvpx,felipebetancur/libvpx,openpeer/libvpx_new,felipebetancur/libvpx,goodleixiao/vpx,mbebenita/aom,GrokImageCompression/aom,shyamalschandra/libvpx,GrokImageCompression/aom,openpeer/libvpx_new,ittiamvpx/libvpx-1,liqianggao/libvpx,smarter/aom,Topopiccione/libvpx,mwgoldsmith/libvpx,stewnorriss/libvpx,GrokImageCompression/aom,mbebenita/aom,VTCSecureLLC/libvpx,thdav/aom,liqianggao/libvpx,mwgoldsmith/libvpx,jmvalin/aom,VTCSecureLLC/libvpx,GrokImageCompression/aom,stewnorriss/libvpx,ittiamvpx/libvpx-1,mwgoldsmith/vpx,shacklettbp/aom,thdav/aom,thdav/aom,mbebenita/aom,shyamalschandra/libvpx,mbebenita/aom,liqianggao/libvpx,jmvalin/aom,smarter/aom,shyamalschandra/libvpx,running770/libvpx,VTCSecureLLC/libvpx,zofuthan/libvpx,Topopiccione/libvpx,mbebenita/aom,luctrudeau/aom,stewnorriss/libvpx,shacklettbp/aom,ShiftMediaProject/libvpx,Topopiccione/libvpx,zofuthan/libvpx,Topopiccione/libvpx,GrokImageCompression/aom,running770/libvpx,mbebenita/aom,goodleixiao/vpx,luctrudeau/aom,mwgoldsmith/vpx,shacklettbp/aom,openpeer/libvpx_new,mbebenita/aom,running770/libvpx,stewnorriss/libvpx,mwgoldsmith/vpx,jmvalin/aom,openpeer/libvpx_new,openpeer/libvpx_new,ittiamvpx/libvpx-1,zofuthan/libvpx,jmvalin/aom,shyamalschandra/libvpx,mwgoldsmith/vpx,goodleixiao/vpx,smarter/aom,ShiftMediaProject/libvpx,ShiftMediaProject/libvpx,shacklettbp/aom,running770/libvpx,ShiftMediaProject/libvpx,webmproject/libvpx,smarter/aom,mwgoldsmith/libvpx,goodleixiao/vpx,VTCSecureLLC/libvpx,felipebetancur/libvpx,liqianggao/libvpx,shyamalschandra/libvpx,VTCSecureLLC/libvpx,thdav/aom,running770/libvpx,goodleixiao/vpx,webmproject/libvpx,zofuthan/libvpx