clover: implement cl_arm_shared_virtual_memory
v2: use static array to keep name -> func mapping
v3: use unordered_map
v4: handle ARM constants
reorder dispatch table
wrap enqueue APIs as the command value differs between khr and arm
v5: move declarations into dispatch.hpp
handle CL_MEM_USES_SVM_POINTER_ARM in clGetMemObjectInfo
v6: breaking long lines
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/2076>