palmas: rename init_settings to an generic palmas init

Since TPS659038/TWL6035/TWL6037 all belong to palmas family of TI PMICs,
rename twl6035_init_settings with an more generic palmas_init_settings

Signed-off-by: Nishanth Menon <nm@ti.com>
diff --git a/include/palmas.h b/include/palmas.h
index cf836d7..6618aad 100644
--- a/include/palmas.h
+++ b/include/palmas.h
@@ -38,5 +38,5 @@
 
 int twl6035_i2c_write_u8(u8 chip_no, u8 val, u8 reg);
 int twl6035_i2c_read_u8(u8 chip_no, u8 *val, u8 reg);
-void twl6035_init_settings(void);
+void palmas_init_settings(void);
 int twl6035_mmc1_poweron_ldo(void);