include: move disk driver interface to own header

Move disk driver interface to own header and
separate disk access interface and disk driver interface.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>

drivers/disk/flashdisk.c

@@ -8,7 +8,7 @@
 #include <zephyr/types.h>
 #include <sys/__assert.h>
 #include <sys/util.h>
-#include <disk/disk_access.h>
+#include <drivers/disk.h>
 #include <errno.h>
 #include <init.h>
 #include <device.h>

drivers/disk/ramdisk.c

@@ -7,7 +7,7 @@
 #include <string.h>
 #include <zephyr/types.h>
 #include <sys/__assert.h>
-#include <disk/disk_access.h>
+#include <drivers/disk.h>
 #include <errno.h>
 #include <init.h>
 #include <device.h>

drivers/disk/sdmmc_spi.c

@@ -10,7 +10,7 @@
 
 LOG_MODULE_REGISTER(sdmmc_spi, CONFIG_SDMMC_LOG_LEVEL);
 
-#include <disk/disk_access.h>
+#include <drivers/disk.h>
 #include <drivers/gpio.h>
 #include <sys/byteorder.h>
 #include <drivers/spi.h>

drivers/disk/sdmmc_stm32.c

@@ -7,7 +7,7 @@
 #define DT_DRV_COMPAT st_stm32_sdmmc
 
 #include <devicetree.h>
-#include <disk/disk_access.h>
+#include <drivers/disk.h>
 #include <drivers/clock_control.h>
 #include <drivers/clock_control/stm32_clock_control.h>
 #include <pinmux/stm32/pinmux_stm32.h>

drivers/disk/usdhc.c

@@ -7,7 +7,7 @@
 #define DT_DRV_COMPAT nxp_imx_usdhc
 
 #include <sys/__assert.h>
-#include <disk/disk_access.h>
+#include <drivers/disk.h>
 #include <drivers/gpio.h>
 #include <sys/byteorder.h>
 #include <soc.h>