Receive keys from peri when running dummy service

[HaoboGu]

No description provided.

[github-actions]

PR build size

  text	   data	    bss	    dec	    hex	filename
122960	    116	  41308	 164384	  28220	rmk-nrf52840

Diff

    FILE SIZE        VM SIZE    
 --------------  -------------- 
  +0.0%    +557  [ = ]       0    .debug_str
  +0.5%    +553  [ = ]       0    .strtab
  +0.0%    +295  [ = ]       0    .debug_info
  +0.1%    +108  +0.1%    +108    .text
  +0.1%    +101  [ = ]       0    .debug_line
  +0.1%     +88  [ = ]       0    .debug_ranges
  +0.2%     +32  [ = ]       0    .debug_aranges
  +0.1%     +32  [ = ]       0    .symtab
  +1.0%      +4  [ = ]       0    .defmt
 -21.1%     -12  [ = ]       0    [Unmapped]
  -0.1%    -206  [ = ]       0    .debug_loc
  +0.1% +1.52Ki  +0.1%    +108    TOTAL