Update Noah-MP tag for v4.7 with latest bug fixes (#2207)

TYPE: bug fix

KEYWORDS: NoahMP, version update

SOURCE: Cenlin He @cenlinhe and Tzu-Shun Lin (NCAR)

DESCRIPTION OF CHANGES:
Update NoahMP code with bug fixes for the following:

(1) Corrected LECH's stability functions in WRF/Noah-MP. This is a bug fix for the LECH's surface function in Chen et al. 1997 surface resistance module calculations. This bug has been fixed in v5.0 but not in v4.7 (non-refactored code), so this PR fixes this missing issue. NCAR/noahmp#182

(2) Corrected Noahmp irrigation init, the code generalize the initialization of the irrigation matrices in order to avoid NaN values when it is not properly initializated. This error was detected in debug compilation mode. NCAR/noahmp#183

LIST OF MODIFIED FILES:
M      phys/noahmp/

TESTS: The Jenkins tests are all passing.

RELEASE NOTE: Noah-MP code tag is updated to corresponding to WRFV4.7 release.

Author: tslin2