[gcc r13-5087] C-SKY: Fix float abi option in MULTILIB_DEFAULTS.

[gcc r13-5087] C-SKY: Fix float abi option in MULTILIB_DEFAULTS.

[qu]

https://gcc.gnu.org/g:4c7336a86449de41680e0640f7e353e4c1440bf9

commit r13-5087-g4c7336a86449de41680e0640f7e353e4c1440bf9
Author: Xianmiao Qu <cooper.qu@linux.alibaba.com>
Date:   Tue Jan 10 22:48:21 2023 +0800

    C-SKY: Fix float abi option in MULTILIB_DEFAULTS.
    
    The msoft-float is alias of mfloat-abi=soft, use mfloat-abi=soft
    in MULTILIB_DEFAULTS to correspond to the option in MULTILIB_OPTIONS,
    otherwise it will find the wrong path.
    
    gcc/
            * config/csky/csky.h (MULTILIB_DEFAULTS): Fix float abi option.

Diff:
---
 gcc/config/csky/csky.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/csky/csky.h b/gcc/config/csky/csky.h
index d21a57a8bb2..a9dc60cecc5 100644
--- a/gcc/config/csky/csky.h
+++ b/gcc/config/csky/csky.h
@@ -952,7 +952,7 @@ while (0)
    specially when using MULTILIB_OPTIONS.  */
 #undef MULTILIB_DEFAULTS
 #define MULTILIB_DEFAULTS    \
-    {"mlittle-endian", "mcpu=ck810f", "msoft-float"}
+    {"mlittle-endian", "mcpu=ck810f", "mfloat-abi=soft"}
 
 /* Support for a compile-time default CPU, et cetera.  The rules are:
    --with-arch is ignored if -march or -mcpu are specified.