huffyuvdsp: Reenable PPC optimizations

libavcodec/huffyuvdsp.c

@@ -127,6 +127,8 @@ av_cold void ff_huffyuvdsp_init(HuffYUVDSPContext *c)
     c->add_hfyu_left_pred       = add_hfyu_left_pred_c;
     c->add_hfyu_left_pred_bgr32 = add_hfyu_left_pred_bgr32_c;
 
+    if (ARCH_PPC)
+        ff_huffyuvdsp_init_ppc(c);
     if (ARCH_X86)
         ff_huffyuvdsp_init_x86(c);
 }