Merge changes from topic "st_fixes" into integration

* changes:
  fix(st): enable RTC clock before accessing nv counter
  fix(st-crypto): use GENMASK_32 to define PKA registers masks
  fix(st): update comment on encryption key
  fix(st): allow crypto lib compilation in aarch64
  fix(st-uart): allow 64 bit compilation
  fix(st): reduce MMC block_buffer
  fix(stm32mp13-fdts): cosmetic fixes in PLL nodes
  fix(st): update dt_get_ddr_size() type
  fix(nand): reset the SLC NAND
  fix(st-crypto): do not read RNG data if it's not ready