linux-ramdump-parser-v2: Use int for reading number of interrupts

The number of interrupts is an int which is different from the word
size. Switch to it.

Change-Id: I06b5186ac0121854870606c78488c26f22d79f2c

linux-ramdump-parser-v2/parsers/irqstate.py

@@ -149,7 +149,7 @@ class IrqParse(RamParser):
                 break
 
             for j in ram_dump.iter_cpus():
-                irq_statsn = ram_dump.read_word(kstat_irqs_addr, cpu=j)
+                irq_statsn = ram_dump.read_int(kstat_irqs_addr, cpu=j)
                 irq_stats_str = irq_stats_str + \
                     '{0:10} '.format('{0}'.format(irq_statsn))