Updating multilibs list to be cover some holes. Adding multilibs for …

…ilp32/lp64 abi's for arch's with f and fd. Adding rv32imfc-ilp32f and rv64imfc-lp64f multilibs. 3 Commits from 15+18 Nov 2019

Makefile

@@ -288,30 +288,34 @@ MULTILIBS_GEN := \
 	rv32em-ilp32e--c \
 	rv32eac-ilp32e-- \
 	rv32emac-ilp32e-- \
-	rv32i-ilp32--c \
-	rv32ia-ilp32--m \
-	rv32im-ilp32--c \
-	rv32if-ilp32f-rv32ifd-c \
-	rv32iaf-ilp32f-rv32imaf,rv32iafc-d \
-	rv32imf-ilp32f-rv32imfd-c \
-	rv32iac-ilp32-- \
-	rv32imac-ilp32-- \
+	rv32i-ilp32--c,f,fc,fd,fdc \
+	rv32ia-ilp32-rv32ima,rv32iaf,rv32imaf,rv32iafd,rv32imafd- \
+	rv32im-ilp32--c,f,fc,fd,fdc \
+	rv32iac-ilp32--f,fd \
+	rv32imac-ilp32-rv32imafc,rv32imafdc- \
+	rv32if-ilp32f--c,d,dc \
+	rv32iaf-ilp32f--c,d,dc \
+	rv32imf-ilp32f--d \
+	rv32imaf-ilp32f-rv32imafd- \
+	rv32imfc-ilp32f--d \
 	rv32imafc-ilp32f-rv32imafdc- \
 	rv32ifd-ilp32d--c \
 	rv32imfd-ilp32d--c \
 	rv32iafd-ilp32d-rv32imafd,rv32iafdc- \
 	rv32imafdc-ilp32d-- \
-	rv64i-lp64--c \
-	rv64ia-lp64--m \
-	rv64im-lp64--c \
-	rv64if-lp64f-rv64ifd-c \
-	rv64iaf-lp64f-rv64iafc-d \
-	rv64imf-lp64f-rv64imfd-c \
-	rv64imaf-lp64f-- \
-	rv64iac-lp64-- \
-	rv64imac-lp64-- \
+	rv64i-lp64--c,f,fc,fd,fdc \
+	rv64ia-lp64-rv64ima,rv64iaf,rv64imaf,rv64iafd,rv64imafd- \
+	rv64im-lp64--c,f,fc,fd,fdc \
+	rv64iac-lp64--f,fd \
+	rv64imac-lp64-rv64imafc,rv64imafdc- \
+	rv64if-lp64f--c,d,dc \
+	rv64iaf-lp64f--c,d,dc \
+	rv64imf-lp64f--d \
+	rv64imaf-lp64f-rv64imafd- \
+	rv64imfc-lp64f--d \
 	rv64imafc-lp64f-rv64imafdc- \
-	rv64ifd-lp64d--m,c \
+	rv64ifd-lp64d--c \
+	rv64imfd-lp64d--c \
 	rv64iafd-lp64d-rv64imafd,rv64iafdc- \
 	rv64imafdc-lp64d--