lower cpu vmax validators

Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.cpp

@@ -148,7 +148,7 @@ namespace ams::ldr::hoc::pcv {
             { C.commonEmcMemVolt,                 912'500, 1350'000 }, // Official burst vmax for the RAMs is 1500mV
             { C.eristaCpuMaxVolt,                    1000,     1260 },
             { GET_MAX_OF_ARR(erista::maxEmcClocks), 1600'000, 2600'000 },
-            { C.marikoCpuMaxVolt,                    1000,     1235 },
+            { C.marikoCpuMaxVolt,                    1000,     1200 },
             { C.marikoEmcMaxClock,               1600'000, 3500'000 },
             { C.marikoEmcVddqVolt,                250'000,  700'000 },
             { eristaCpuDvfsMaxFreq,              1785'000, 2295'000 },