SWDEV-425248 - numerous bug fixes.

Set flag with hipCtxCreate so that get flags works.
Validate hipHostGetDevicePointer for flags!=0.
Validate mem cpy kind and accommodate new type hipMemcpyDeviceToDeviceNoCU.
Match error code for hipGetChannelDesc.

Change-Id: If09a635ac01bc53f1fe2b7df3f3f9c1b0d69a0ab

hipamd/src/hip_texture.cpp

@@ -744,9 +744,12 @@ hipError_t hipGetChannelDesc(hipChannelFormatDesc* desc,
                              hipArray_const_t array) {
   HIP_INIT_API(hipGetChannelDesc, desc, array);
 
-  if ((desc == nullptr) || (array == nullptr)) {
+  if (desc == nullptr) {
     HIP_RETURN(hipErrorInvalidValue);
   }
+  if (array == nullptr) {
+    HIP_RETURN(hipErrorInvalidHandle);
+  }
   amd::Device* device = hip::getCurrentDevice()->devices()[0];
   const device::Info& info = device->info();
   if (!info.imageSupport_) {