net/bnxt: fix build

net/bnxt: fix build

Fix build failures seen on Fedora Core 34 (GCC 11)
because of uninitialized variables.

In function ‘ulp_mapper_index_tbl_process’:
drivers/net/bnxt/tf_ulp/ulp_mapper.c:2252:43: error:
‘*(unsigned int *)((char *)&glb_res + offsetof(struct bnxt_ulp_glb_resource_info, resource_func))’
may be used uninitialized in this function
 2252 |         struct bnxt_ulp_glb_resource_info glb_res;
      |                                           ^~~~~~~
drivers/net/bnxt/tf_ulp/ulp_mapper.c:2252:43: error:
‘glb_res.resource_type’ may be used uninitialized in this function

In function ‘dpool_defrag’:
drivers/net/bnxt/tf_core/dpool.c:95:18: error:
‘index’ may be used uninitialized in this function
   95 |         uint32_t index;
      |                  ^~~~~

Fixes: 05b405d58148 ("net/bnxt: add dpool allocator for EM allocation")

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>