Input: cyttsp4 - move 'cyttsp4_tch_abs_string' to the only file that references it

Fixes the following W=1 kernel build warning(s):

In file included from drivers/input/touchscreen/cyttsp_i2c_common.c:24:
drivers/input/touchscreen/cyttsp4_core.h:236:27: warning: ‘cyttsp4_tch_abs_string’ defined but not used [-Wunused-const-variable=]
236 | static const char const cyttsp4_tch_abs_string[] = {
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/input/touchscreen/cyttsp4_i2c.c:17:
drivers/input/touchscreen/cyttsp4_core.h:236:27: warning: ‘cyttsp4_tch_abs_string’ defined but not used [-Wunused-const-variable=]
236 | static const char * const cyttsp4_tch_abs_string[] = {
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/input/touchscreen/cyttsp4_spi.c:17:
drivers/input/touchscreen/cyttsp4_core.h:236:27: warning: ‘cyttsp4_tch_abs_string’ defined but not used [-Wunused-const-variable=]
236 | static const char * const cyttsp4_tch_abs_string[] = {
| ^~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/cyttsp4_core.c

···
 
 #define CY_CORE_STARTUP_RETRY_COUNT		3
 
+static const char * const cyttsp4_tch_abs_string[] = {
+	[CY_TCH_X]	= "X",
+	[CY_TCH_Y]	= "Y",
+	[CY_TCH_P]	= "P",
+	[CY_TCH_T]	= "T",
+	[CY_TCH_E]	= "E",
+	[CY_TCH_O]	= "O",
+	[CY_TCH_W]	= "W",
+	[CY_TCH_MAJ]	= "MAJ",
+	[CY_TCH_MIN]	= "MIN",
+	[CY_TCH_OR]	= "OR",
+	[CY_TCH_NUM_ABS] = "INVALID"
+};
+
 static const u8 ldr_exit[] = {
 	0xFF, 0x01, 0x3B, 0x00, 0x00, 0x4F, 0x6D, 0x17
 };

drivers/input/touchscreen/cyttsp4_core.h

···
 	CY_TCH_NUM_ABS
 };
 
-static const char * const cyttsp4_tch_abs_string[] = {
-	[CY_TCH_X]	= "X",
-	[CY_TCH_Y]	= "Y",
-	[CY_TCH_P]	= "P",
-	[CY_TCH_T]	= "T",
-	[CY_TCH_E]	= "E",
-	[CY_TCH_O]	= "O",
-	[CY_TCH_W]	= "W",
-	[CY_TCH_MAJ]	= "MAJ",
-	[CY_TCH_MIN]	= "MIN",
-	[CY_TCH_OR]	= "OR",
-	[CY_TCH_NUM_ABS] = "INVALID"
-};
-
 struct cyttsp4_touch {
 	int abs[CY_TCH_NUM_ABS];
 };