staging: kpc2000: move the spi driver out of its subdirectory

There is no need for a subdirectory for just a single .c file.  So move
it out of kpc_spi/ and rename it to the module name that we want the
file to build to, saving one more linking stage.

Cc: Matt Sickler <Matt.Sickler@daktronics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/kpc2000/Makefile

@@ -2,5 +2,5 @@
 
 obj-$(CONFIG_KPC2000) += kpc2000/
 obj-$(CONFIG_KPC2000_I2C) += kpc_i2c/
-obj-$(CONFIG_KPC2000_SPI) += kpc_spi/
+obj-$(CONFIG_KPC2000_SPI) += kpc2000_spi.o
 obj-$(CONFIG_KPC2000_DMA) += kpc_dma/

drivers/staging/kpc2000/kpc2000_spi.c

@@ -27,7 +27,7 @@
 #include <linux/spi/flash.h>
 #include <linux/mtd/partitions.h>
 
-#include "../kpc.h"
+#include "kpc.h"
 
 static struct mtd_partition p2kr0_spi0_parts[] = {
 	{ .name = "SLOT_0",	.size = 7798784,		.offset = 0,                },

drivers/staging/kpc2000/kpc_spi/Makefile

@@ -1,4 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-
-obj-m += kpc2000_spi.o
-kpc2000_spi-objs := spi_driver.o