tests/checkasm/checkasm: Disable checkasm_check_pixblockdsp for ppc64be

See: Ticket5508

Suggested-by: Carl
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

tests/checkasm/checkasm.c

@@ -89,7 +89,7 @@ static const struct {
     #if CONFIG_JPEG2000_DECODER
         { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
     #endif
-    #if CONFIG_PIXBLOCKDSP
+    #if CONFIG_PIXBLOCKDSP && !(ARCH_PPC64 && HAVE_BIGENDIAN)
         { "pixblockdsp", checkasm_check_pixblockdsp },
     #endif
     #if CONFIG_V210_ENCODER