lis3: add support for HP EliteBook 8540w

Add axis correction for HP EliteBook 8540w.

Reported-by: Lyall Pearce <lyall.pearce@hp.com>
Signed-off-by: Éric Piel <eric.piel@tremplin-utc.net>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Witold Pilat <witold.pilat@gmail.com>
Cc: Malte Starostik <m-starostik@versanet.de>
Cc: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Cc: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 76b24e6..626b162 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -209,6 +209,7 @@
 	AXIS_DMI_MATCH("NC6715x", "HP Compaq 6715", y_inverted),
 	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 693", xy_rotated_right),
 	AXIS_DMI_MATCH("NC693xx", "HP EliteBook 853", xy_swap),
+	AXIS_DMI_MATCH("NC854xx", "HP EliteBook 854", y_inverted),
 	AXIS_DMI_MATCH("NC273xx", "HP EliteBook 273", y_inverted),
 	/* Intel-based HP Pavilion dv5 */
 	AXIS_DMI_MATCH2("HPDV5_I",