perf: CXL: fix mismatched number of counters mask

The number of Count Units field is described as 6 bits long
in the CXL 3.0 specification. However, its mask value was
only declared as 5 bits long.

Signed-off-by: Jeongtae Park <jtp.park@samsung.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20230905123309.775854-1-jtp.park@samsung.com
Signed-off-by: Will Deacon <will@kernel.org>

Author: jtpark-sec

drivers/perf/cxl_pmu.c

@@ -25,7 +25,7 @@
 #include "../cxl/pmu.h"
 
 #define CXL_PMU_CAP_REG			0x0
-#define   CXL_PMU_CAP_NUM_COUNTERS_MSK			GENMASK_ULL(4, 0)
+#define   CXL_PMU_CAP_NUM_COUNTERS_MSK			GENMASK_ULL(5, 0)
 #define   CXL_PMU_CAP_COUNTER_WIDTH_MSK			GENMASK_ULL(15, 8)
 #define   CXL_PMU_CAP_NUM_EVN_CAP_REG_SUP_MSK		GENMASK_ULL(24, 20)
 #define   CXL_PMU_CAP_FILTERS_SUP_MSK			GENMASK_ULL(39, 32)