Remove f-ext from arch flag.

Change-Id: I390ae1250a89a7e055d84aeb4f7d8452fcfa360c

cmake/riscv_baremetal.cmake

diff --git a/cmake/riscv_baremetal.cmake b/cmake/riscv_baremetal.cmake
index 745d0ad..62e6c5a 100644
--- a/cmake/riscv_baremetal.cmake
+++ b/cmake/riscv_baremetal.cmake
@@ -19,7 +19,7 @@
 message( "RISC-V Cross Compile Prefix: ${CROSS_COMPILE}" )
 
 set( CMAKE_SYSTEM_NAME          Generic )
-set( CMAKE_SYSTEM_PROCESSOR     rv32imfv )
+set( CMAKE_SYSTEM_PROCESSOR     rv32imv )
 set( CMAKE_SYSTEM_ABI           ilp32 )
 set( CMAKE_EXECUTABLE_SUFFIX    ".elf")
 

hello_vec/Makefile

diff --git a/hello_vec/Makefile b/hello_vec/Makefile
index 77015f0..14b7d19 100644
--- a/hello_vec/Makefile
+++ b/hello_vec/Makefile
@@ -11,7 +11,7 @@
 
 CXXFLAGS += -Wall
 CXXFLAGS += -Werror
-CXXFLAGS += -march=rv32imfv
+CXXFLAGS += -march=rv32imv
 CXXFLAGS += -I${ROOTDIR}/springbok/include
 CXXFLAGS += -O3 -g3 -ggdb
 CXXFLAGS += -fomit-frame-pointer