ide-acpi: use %*ph to print small buffer

Use %*ph format to print small buffer as hex string.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 7d4e5c0..49dc543 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -320,10 +320,7 @@
 		u8 *gtf = (u8 *)(gtf_address + ix * REGS_PER_GTF);
 		struct ide_cmd cmd;
 
-		DEBPRINT("(0x1f1-1f7): "
-			 "hex: %02x %02x %02x %02x %02x %02x %02x\n",
-			 gtf[0], gtf[1], gtf[2],
-			 gtf[3], gtf[4], gtf[5], gtf[6]);
+		DEBPRINT("(0x1f1-1f7): hex: %7ph\n", gtf);
 
 		if (!ide_acpigtf) {
 			DEBPRINT("_GTF execution disabled\n");