402 quickfix kmc should not call get key

[Donnie-Ice]

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How do you test these changes?

This contains all changes required so far to get kmc working. Can't really test.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 52.15686% with 122 lines in your changes missing coverage. Please review.

Project coverage is 75.79%. Comparing base (14ee573) to head (2a938a0).
Report is 122 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/core/crypto_tc.c	22.97%	33 Missing and 24 partials ⚠️
src/core/crypto_aos.c	37.14%	13 Missing and 9 partials ⚠️
src/core/crypto_tm.c	41.66%	10 Missing and 4 partials ⚠️
test/unit/ut_ep_sa_mgmt.c	66.66%	9 Missing ⚠️
test/unit/ut_ep_key_mgmt.c	77.77%	8 Missing ⚠️
src/core/crypto_config.c	25.00%	5 Missing and 1 partial ⚠️
test/unit/ut_ep_mc.c	66.66%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #440      +/-   ##
==========================================
- Coverage   75.97%   75.79%   -0.19%     
==========================================
  Files          81       80       -1     
  Lines       22263    22812     +549     
  Branches     1807     1845      +38     
==========================================
+ Hits        16914    17290     +376     
- Misses       4707     4850     +143     
- Partials      642      672      +30     

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