[PATCH] riscv: drop unneeded -Wall addition

[Masahiro Yamada]

The top level Makefile adds -Wall globally:

  KBUILD_CFLAGS   := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \

For riscv, I see two "-Wall" added for compiling each object.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 arch/riscv/Makefile | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index c6342e638ef7..8f7368575bf6 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -36,8 +36,6 @@ else
        KBUILD_LDFLAGS += -melf32lriscv
 endif
 
-KBUILD_CFLAGS += -Wall
-
 # ISA string setting
 riscv-march-$(CONFIG_ARCH_RV32I)       := rv32im
 riscv-march-$(CONFIG_ARCH_RV64I)       := rv64im
-- 
2.17.1