interconnect: qcom: osm-l3: Replace custom implementation of COUNT_ARGS()

interconnect: qcom: osm-l3: Replace custom implementation of COUNT_ARGS()

[ Upstream commit 577a3c5af1fe87b65931ea94d5515266da301f56 ]

Replace custom and non-portable implementation of COUNT_ARGS().

Fixes: 5bc9900addaf ("interconnect: qcom: Add OSM L3 interconnect provider support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230920154927.2090732-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>