[EGD-6597] Add PM control for all disc in DM

This patch add API for send power control message
for all disc registered in the disc manager. It is needed
for power management for suspend resume all discs.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-6558] Add automount mechanism of the mfgconf

Add optional mounting nfgconf partition on the EEPROM with
the LFS filesystem for the manufacturing data.

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-6522] Add EEPROM emulation in the emulator

Add possibility to emulate eeprom in the linux emulator

[EGD-6075] Add support for emmc system partitions

Add support for EMMC hardware partitions to the
disk manager
Hardware system partitions are visible as <device_name>sys<num>
Disk user partitions are visible as <device_name>part<num>

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-6075] Fix partition name typo

Fix partition name typo in the disk manager

[EGD-5565] Fix update process on new lf filesystem

These changes are needed for update to work with new
LFS fileystem, also minor bugfixes are included.

[EGD-6013] Fix no copy syscall

Due to lack of some filesystem syscalls std::filesystem::copy
functions family doesn't work. This path add missing syscalls
in the FS layer.

[EGD-5757] Fix backup API

Fix backup endpoint to work with new paths and FS api
The flow is based on the design in confluence.

Merge branch 'EGD-5737-merge-master-to-exp-lbr-fix'

[EGD-5609] Fix lfs partition erase size bug

Storing LFS erase size in the boot byte is not possible
because Linux kernel is unable to detect the partitions
after change boot bytes to values other than 0x80 or 0x00

In this patch LFS_BLOCK_SIZE is moved to the second
MBR bootcode AREA

[EGD-4495] Check partitions during registering new disk image

Check partitions validity when registering disk.
Add unittest and test disk image generation.

[EGD-5522] Remount fs R/W for backup or update

After setting vFAT to be read only by default backup,
update and factory reset procedures need to remount R/W
first.

[EGD-5392] Add switch vfat to RO mode

VFAT partition should be mounted in RO mode by default
because writing to FAT filesystem is unsafe.
Writing is allowed only in the LFS filesystem.
If upgrade is needed FAT partition can be temporary
switched to RW mode using mount() syscall with REMOUNT flag
but it should be switched to RO mode again after upgrade.

[EGD-5146] Add read LFS block size from part

Add littlefs block size from partition bootable offset

[EGD-5014] Fix global FS locks

Global locks are redundant and lower the performance.

[EGD-5014] Add eMMC block device API

Add PureOS wrapper for eMMC driver with support
for basic block device operations.

[EGD-5020] Add autodetect filesystem

Add support for autodetect filesystem in the fs core

[EGD-4498] Fix code after code review #1

Fixed some small minor issus in the RO mode in the vfs

[EGD-4498] Add unit test for remount RO

Add unit test for remount filesystem in ro mode
Some minor fixes

[EGD-4498] Add support RO filesystem in the vfscore

Add support readonly filesystem mount flag
Add support for mount / remount