Enable SIMD RK methods in EnrightPryce benchmarks

- Add OrdinaryDiffEqSIMDRK import
- Enable MER5v2, MER6v2, and RK6v4 methods
- These methods work well with the static array problems in the Enright-Pryce suite

Author: ChrisRackauckas

benchmarks/NonStiffODE/EnrightPryce_wpd.jmd

@@ -10,7 +10,7 @@ The purpose of this benchmark is to test explicit Runge-Kutta methods on the Enr
 ```julia
 using OrdinaryDiffEq, ParameterizedFunctions, ODEInterface,
       ODEInterfaceDiffEq, LSODA, Sundials, DiffEqDevTools,
-      StaticArrays
+      StaticArrays, OrdinaryDiffEqSIMDRK
 using Plots
 gr()
 
@@ -21,17 +21,14 @@ abstols = 1.0 ./ 10.0 .^ (6:13)
 reltols = 1.0 ./ 10.0 .^ (3:10)
 ```
 
-### SIMD Algorithms (Currently Disabled)
-
-Note: The SIMD RK methods will be added once the OrdinaryDiffEqSIMDRK package is publicly available.
+### SIMD Algorithms
 
 ```julia
-# simdrkalgs = [
-#     Dict(:alg=>MER5v2()),
-#     Dict(:alg=>MER6v2()),
-#     Dict(:alg=>RK6v4())
-# ]
-simdrkalgs = []
+simdrkalgs = [
+    Dict(:alg=>MER5v2()),
+    Dict(:alg=>MER6v2()),
+    Dict(:alg=>RK6v4())
+]
 ```
 
 ### Low Order Setup