toolchain/mips: kill EABI and fix N32

MIPS EABI is a bare-metal ABI so remove it.
Also fix uClibc to really work with N32 ABI, which used the EABI knob
previously.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

target/Config.in.arch

@@ -280,9 +280,6 @@ config BR2_MIPS_OABI32
 config BR2_MIPS_ABI32
 	bool "n32"
 	depends on BR2_mips_3 || BR2_mips_4 || BR2_mips_64 || BR2_mips_64r2 || BR2_mips_16
-config BR2_MIPS_EABI
-	bool "eabi"
-	depends on BR2_mips_3 || BR2_mips_4 || BR2_mips_64 || BR2_mips_64r2 || BR2_mips_16
 config BR2_MIPS_ABI64
 	bool "n64"
 	depends on BR2_mips_3 || BR2_mips_4 || BR2_mips_64 || BR2_mips_64r2 || BR2_mips_16

toolchain/uClibc/uclibc.mk

@@ -158,7 +158,7 @@ ifeq ($(UCLIBC_TARGET_ARCH),mips)
 ifeq ($(BR2_MIPS_OABI),y)
 	$(SED) 's/.*\(CONFIG_MIPS_O32_ABI\).*/\1=y/' $(UCLIBC_DIR)/.oldconfig
 endif
-ifeq ($(BR2_MIPS_EABI),y)
+ifeq ($(BR2_MIPS_ABI32),y)
 	$(SED) 's/.*\(CONFIG_MIPS_N32_ABI\).*/\1=y/' $(UCLIBC_DIR)/.oldconfig
 endif
 ifeq ($(BR2_MIPS_ABI64),y)