drm/radeon: fix endian bugs in radeon_atom_get_clock_dividers() (v3)

v2: fix copy paste typo.
v3: clarify new union member

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h
index 4b04ba3..0ee5737 100644
--- a/drivers/gpu/drm/radeon/atombios.h
+++ b/drivers/gpu/drm/radeon/atombios.h
@@ -458,6 +458,7 @@
   union
   {
     ATOM_COMPUTE_CLOCK_FREQ  ulClock;         //Input Parameter
+    ULONG ulClockParams;                      //ULONG access for BE
     ATOM_S_MPLL_FB_DIVIDER   ulFbDiv;         //Output Parameter
   };
   UCHAR   ucRefDiv;                           //Output Parameter      
@@ -490,6 +491,7 @@
   union
   {
     ATOM_COMPUTE_CLOCK_FREQ  ulClock;         //Input Parameter
+    ULONG ulClockParams;                      //ULONG access for BE
     ATOM_S_MPLL_FB_DIVIDER   ulFbDiv;         //Output Parameter
   };
   UCHAR   ucRefDiv;                           //Output Parameter