clk: microchip: rename clk-core to clk-pic32

clk-core is a confusingly generic name, since it is only used by a
single platform and it uses very similar naming to the "soft" IP cores
for use in FPGA fabric (CoreClock or similar is what that would be
called, although nothing like that exists right now) that the FPGA
business unit produces. Rename it to clk-pic32, matching the prefix
used by most functions in the driver. As far as I can tell, impact
on whatever users may (or may not...) exist for the platform is minimal
as it's built-in only and the functions are called directly from
clk-pic32mzda.c

Reviewed-by: Brian Masney <bmasney@redhat.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

drivers/clk/microchip/Makefile

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_COMMON_CLK_PIC32) += clk-core.o
+obj-$(CONFIG_COMMON_CLK_PIC32) += clk-pic32.o
 obj-$(CONFIG_PIC32MZDA) += clk-pic32mzda.o
 obj-$(CONFIG_MCHP_CLK_MPFS) += clk-mpfs.o
 obj-$(CONFIG_MCHP_CLK_MPFS) += clk-mpfs-ccc.o

drivers/clk/microchip/clk-pic32.c

@@ -11,7 +11,7 @@
 #include <linux/iopoll.h>
 #include <linux/platform_data/pic32.h>
 
-#include "clk-core.h"
+#include "clk-pic32.h"
 
 /* OSCCON Reg fields */
 #define OSC_CUR_MASK		0x07

drivers/clk/microchip/clk-pic32mzda.c

@@ -14,7 +14,7 @@
 #include <linux/platform_device.h>
 #include <asm/traps.h>
 
-#include "clk-core.h"
+#include "clk-pic32.h"
 
 /* FRC Postscaler */
 #define OSC_FRCDIV_MASK		0x07