habanalabs: mark hl_eq_inc_ptr() as static

hl_eq_inc_ptr() is not called from anywhere outside irq.c so mark
it as static
Reported-by: Nkernel test robot <lkp@intel.com>
Signed-off-by: NOded Gabbay <ogabbay@kernel.org>

drivers/misc/habanalabs/common/irq.c

@@ -47,7 +47,7 @@ inline u32 hl_cq_inc_ptr(u32 ptr)
  * Increment ptr by 1. If it reaches the number of event queue
  * entries, set it to 0
  */
-inline u32 hl_eq_inc_ptr(u32 ptr)
+static inline u32 hl_eq_inc_ptr(u32 ptr)
 {
 	ptr++;
 	if (unlikely(ptr == HL_EQ_LENGTH))