pmic: pca9450: Add upstream regulators subnode match

The upstream DT regulators node subnodes are named BUCKn and LDOn,
the downstream DT regulators node subnodes are named buckn and ldon,
add the upstream match.

Reviewed-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/drivers/power/pmic/pca9450.c b/drivers/power/pmic/pca9450.c
index 2394b19..26c876c 100644
--- a/drivers/power/pmic/pca9450.c
+++ b/drivers/power/pmic/pca9450.c
@@ -19,8 +19,10 @@
 static const struct pmic_child_info pmic_children_info[] = {
 	/* buck */
 	{ .prefix = "b", .driver = PCA9450_REGULATOR_DRIVER},
+	{ .prefix = "B", .driver = PCA9450_REGULATOR_DRIVER},
 	/* ldo */
 	{ .prefix = "l", .driver = PCA9450_REGULATOR_DRIVER},
+	{ .prefix = "L", .driver = PCA9450_REGULATOR_DRIVER},
 	{ },
 };