osi: core: dma: fix issue identified in unit testing

Issue:
- rx_ring pointer validation missing in interface API
- Misra-C issue introduced while fixing
  Advisory error.
- if addend = diff, osi_adjut_freq return -1
- OSI_MAC_TCR_SNAPTYPSEL_3 unused macro

Fix:
- add check for rx_ring pointer validation
- Fix Misra C error
- proceed further instead of returning -1
- Hide OSI_MAC_TCR_SNAPTYPSEL_3 for QNX

Bug 200686220

Change-Id: I806b4f33b86ee08c96ddb76fbfb91bf394206d70
Signed-off-by: rakesh goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/kernel/nvethernetrm/+/2459580
(cherry picked from commit fabc231aa387a74158b6efe926659c33c1abf0c6)
Reviewed-on: https://git-master.nvidia.com/r/c/kernel/nvethernetrm/+/2460837
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Bhadram Varka <vbhadram@nvidia.com>
Reviewed-by: Ashutosh Jha <ajha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit

include/osi_common.h

@@ -128,7 +128,6 @@
  * @{
  */
 #define OSI_UCHAR_MAX			(0xFFU)
-#define OSI_ULLONG_MAX			(~0ULL)
 
 /* Logging defines */
 /* log levels */