Use the PSP103 model pspnqs103va (including nqs option)

as this is the standard in the IHP Open PDK.

examples/osdi/psp103/Modelcards/psp103_nmos-2.mod

@@ -1,7 +1,7 @@
 * psp_VA_and_CMC_ref_data 103.3.0 asym_nmos_t
 * LEVEL=103.0
 * https://www.cea.fr/cea-tech/leti/pspsupport/Documents/Level%20103.3.3/psp_VA_and_CMC_ref_data.tar.gz
-.model nch psp103va level=69
+.model nch pspnqs103va level=69
 +type=1
 +TR=27.0
 +DTA=0

examples/osdi/psp103/Modelcards/psp103_pmos-2.mod

@@ -1,7 +1,7 @@
 * psp_VA_and_CMC_ref_data 103.3.0 asym_pmos_t
 * LEVEL=103.0
 * https://www.cea.fr/cea-tech/leti/pspsupport/Documents/Level%20103.3.3/psp_VA_and_CMC_ref_data.tar.gz
-.model pch psp103va level=69
+.model pch pspnqs103va level=69
 +TYPE=-1
 +TR=27.0
 +DTA=0