[qca-nss-drv]: Added the necessary changes to report GRE exceptions

CRs-Fixed: 742896

Added the necessary debugfs changes to report
GRE related exceptions from NSS.

Change-Id: I2defd2d7cc3bc0b9023b1b0cdcd0168ffafae52d
Signed-off-by: Radha krishna Simha Jiguru <rjiguru@codeaurora.org>
2 files changed