Fix ri5cy chip flags to match arch and abi (rv32imc ilp32)

ChangeLog:

	* config/riscv32/chips/ri5cy/chip.cfg: Change CHIP_CFLAGS to
	match architecture of ri5cy (-march=rv32imc -mabi=ilp32)

Author: edward-jones

ChangeLog

@@ -1,3 +1,8 @@
+2019-04-24  Edward Jones  <ed.jones@embecosm.com>
+
+	* config/riscv32/chips/ri5cy/chip.cfg: Change CHIP_CFLAGS to
+	match architecture of ri5cy (-march=rv32imc -mabi=ilp32)
+
 2019-04-24  Jeremy Bennett  <jeremy.bennett@embecosm.com>
 
 	The initial data for FDCT was in a global block, overwritten by

config/riscv32/chips/ri5cy/chip.cfg

@@ -19,4 +19,4 @@
 # You should have received a copy of the GNU General Public License along with
 # this program.  If not, see <http://www.gnu.org/licenses/>.
 
-export CHIP_CFLAGS="-march=rv32i"
+export CHIP_CFLAGS="-march=rv32imc -mabi=ilp32"