soc/intel/{cnl,icl,skl,tgl}/bootblock: Update text for DMI PCR 2774

Make sure the Skylake comment refers to the correct BWG paragraph and
update the text for all.

BUG=N/A
TEST=build

Change-Id: Id383f200e079bdb91cea2240bd7a957d723a7b89
Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38747
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
diff --git a/src/soc/intel/cannonlake/bootblock/pch.c b/src/soc/intel/cannonlake/bootblock/pch.c
index e7b79a0..eca28b3 100644
--- a/src/soc/intel/cannonlake/bootblock/pch.c
+++ b/src/soc/intel/cannonlake/bootblock/pch.c
@@ -168,8 +168,8 @@
 	if (pch_check_decode_enable() == 0) {
 		io_enables = lpc_enable_fixed_io_ranges(io_enables);
 		/*
-		 * Set up LPC IO Enables PCR[DMI] + 2774h [15:0] to the same
-		 * value program in LPC PCI offset 82h.
+		 * Set LPC IO Enables PCR[DMI] + 2774h [15:0] to the same
+		 * value programmed in LPC PCI offset 82h.
 		 */
 		pcr_write16(PID_DMI, PCR_DMI_LPCIOE, io_enables);
 		/*