arch: allow riscv32 noMMU configuration

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

arch/Config.in.riscv

@@ -51,7 +51,6 @@ choice
 
 config BR2_RISCV_32
 	bool "32-bit"
-	select BR2_USE_MMU
 
 config BR2_RISCV_64
 	bool "64-bit"
@@ -62,7 +61,6 @@ endchoice
 config BR2_RISCV_USE_MMU
 	bool "MMU support"
 	default y
-	depends on BR2_RISCV_64
 	select BR2_USE_MMU
 	help
 	  Enable this option if your RISC-V core has a MMU (Memory

package/Makefile.in

@@ -41,9 +41,9 @@ endif
 # Compute GNU_TARGET_NAME
 GNU_TARGET_NAME = $(ARCH)-$(TARGET_VENDOR)-$(TARGET_OS)-$(LIBC)$(ABI)
 
-# FLAT binary format needs uclinux, except RISC-V 64-bits which needs
-# the regular linux name.
-ifeq ($(BR2_BINFMT_FLAT):$(BR2_RISCV_64),y:)
+# FLAT binary format needs uclinux, except RISC-V which needs the
+# regular linux name.
+ifeq ($(BR2_BINFMT_FLAT):$(BR2_riscv),y:)
 TARGET_OS = uclinux
 else
 TARGET_OS = linux
@@ -181,7 +181,7 @@ TARGET_CXXFLAGS += -fno-dwarf2-cfi-asm
 endif
 
 ifeq ($(BR2_BINFMT_FLAT),y)
-ifeq ($(BR2_RISCV_64),y)
+ifeq ($(BR2_riscv),y)
 TARGET_CFLAGS += -fPIC
 endif
 ELF2FLT_FLAGS = $(if $($(PKG)_FLAT_STACKSIZE),\