manifest: Update nRF hw models to latest

Update the HW models module to:
9eb489fdcde23d4f69ded78bca872bfc31b5ee79

Including the following:
9eb489f CLOCK (54): Add test interfaces to control duration and to fail
	tuning
787d8c8 CLOCK (52,53): Add test interface control start duration
8bd3a5f NHW_54_AAR_CCM_ECB: Do not inform about the ECB being already
	stopped
ca72ca7 RADIO: Add CodedPhy to old comment mentioning what is supported

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>