fix NeoverseV2 typo

cmake/system.cmake

@@ -338,7 +338,7 @@ if (${TARGET} STREQUAL NEOVERSEV1)
     endif()
     endif()
   endif()
-  if (${TARGET} STREQUAL NEOVERSEN2)
+  if (${TARGET} STREQUAL NEOVERSEV2)
     if (${CMAKE_C_COMPILER_ID} STREQUAL "PGI" AND NOT NO_SVE)
 	    set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -Msve-intrinsics -march=armv9-a+sve+sve2+bf16 -mtune=neoverse-v2")
     else ()
@@ -347,7 +347,7 @@ if (${TARGET} STREQUAL NEOVERSEV1)
     elseif (CMAKE_C_COMPILER_VERSION VERSION_GREATER 10.4 OR CMAKE_C_COMPILER_VERSION VERSION_EQUAL 10.4)
       set (KERNEL_DEFINITIONS  "${KERNEL_DEFINITIONS} -march=armv8.4-a+sve+bf16 -mtune=neoverse-v1")
     else ()
-	    message(FATAL_ERROR "Compiler $${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_VERSION} does not support Neoverse N2.")
+	    message(FATAL_ERROR "Compiler $${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_VERSION} does not support Neoverse V2.")
     endif()
     endif()
   endif()