Blackfin: bf54x: tweak MMR pint names

The hardware block uses the name "request" rather than "irq", so update
the struct accordingly.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/kernel/debug-mmrs.c

@@ -1848,7 +1848,7 @@ static int __init bfin_debug_mmrs_init(void)
 			_buf = REGS_STR_PFX(buf, PINT, num);
 			__PINT(MASK_SET, mask_set);
 			__PINT(MASK_CLEAR, mask_clear);
-			__PINT(IRQ, irq);
+			__PINT(REQUEST, request);
 			__PINT(ASSIGN, assign);
 			__PINT(EDGE_SET, edge_set);
 			__PINT(EDGE_CLEAR, edge_clear);