RDMA/bnxt_re: Fix size of uverbs_copy_to() in BNXT_RE_METHOD_GET_TOGGLE_MEM

Since both "length" and "offset" are of type u32, there is
no functional issue here.

Reviewed-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Shravya KN <shravya.k-n@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250704043857.19158-2-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

Author: Kalesh AP

drivers/infiniband/hw/bnxt_re/ib_verbs.c

@@ -4738,7 +4738,7 @@ static int UVERBS_HANDLER(BNXT_RE_METHOD_GET_TOGGLE_MEM)(struct uverbs_attr_bund
 		return err;
 
 	err = uverbs_copy_to(attrs, BNXT_RE_TOGGLE_MEM_MMAP_OFFSET,
-			     &offset, sizeof(length));
+			     &offset, sizeof(offset));
 	if (err)
 		return err;