mention RISCV64 as a permitted architecture for DYNAMIC_ARCH

Author: martin-frbg

CMakeLists.txt

@@ -30,7 +30,7 @@ option(C_LAPACK "Build LAPACK from C sources instead of the original Fortran" OF
 
 option(BUILD_WITHOUT_CBLAS "Do not build the C interface (CBLAS) to the BLAS functions" OFF)
 
-option(DYNAMIC_ARCH "Include support for multiple CPU targets, with automatic selection at runtime (x86/x86_64, aarch64 or ppc only)" OFF)
+option(DYNAMIC_ARCH "Include support for multiple CPU targets, with automatic selection at runtime (x86/x86_64, aarch64, ppc or RISCV64-RVV1.0 only)" OFF)
 
 option(DYNAMIC_OLDER "Include specific support for older x86 cpu models (Penryn,Dunnington,Atom,Nano,Opteron) with DYNAMIC_ARCH" OFF)