cpu/mips32r2_generic: add new cpu that depends on mips32r2_common

Prepare to make `mips32r2_common` only a common cpu and not a standalone one.

boards/mips-malta/Makefile.include

-export CPU = mips32r2_common
+export CPU = mips32r2_generic
 export INCLUDES += -I$(RIOTBOARD)/$(BOARD)/include/
 #export USE_HARD_FLOAT = 1
 export USE_DSP = 1

cpu/mips32r2_generic/Makefile

+MODULE = cpu
+
+DIRS += $(RIOTCPU)/mips32r2_common
+
+include $(RIOTBASE)/Makefile.base

cpu/mips32r2_generic/Makefile.features

+-include $(RIOTCPU)/mips32r2_common/Makefile.features

cpu/mips32r2_generic/Makefile.include

+export MEMORY_BASE=0x80000000
+export MEMORY_SIZE=1M
+export APP_START=0x80000000
+
+include $(RIOTMAKE)/arch/mips.inc.mk
+
+export USEMODULE += periph
+export USEMODULE += periph_common
+export USEMODULE += newlib
+
+export USEMODULE += periph_timer
+
+ifeq ($(USE_UHI_SYSCALLS),1)
+  #Use UHI to handle syscalls
+  export LINKFLAGS += -luhi -Tuhi32.ld
+  export USEMODULE += newlib_syscalls_mips_uhi
+else
+  #Use RIOT to handle syscalls (default)
+  export LINKFLAGS += -Tuhi32.ld
+  export USEMODULE += newlib_syscalls_default
+endif

cpu/mips32r2_common/include/cpu.h → cpu/mips32r2_generic/include/cpu.h

@@ -7,7 +7,7 @@
  */
 
 /**
- * @defgroup    cpu_mips32r2_commom Imagination Technologies MIPS32R2 Common
+ * @defgroup    cpu_mips32r2_generic Imagination Technologies MIPS32R2 Common
  * @ingroup     cpu
  * @brief       Imagination Technologies MIPS32R2 common
  * @{

cpu/mips32r2_common/include/cpu_conf.h → cpu/mips32r2_generic/include/cpu_conf.h

@@ -7,7 +7,7 @@
  */
 
 /**
- * @ingroup     cpu_mips32r2_commom
+ * @ingroup     cpu_mips32r2_generic
  * @{
  *
  * @file

cpu/mips32r2_common/include/periph_cpu.h → cpu/mips32r2_generic/include/periph_cpu.h

@@ -10,12 +10,6 @@
 
 /* No peripherals I/O via JTAG or Bootloader using UHI */
 
-/*
- * Note mips32r2_common can be selected in its own right as a CPU
- * for testing on PFGA systems (like BOARD=mips-malta) with limited
- * or no peripherals
- */
-
 #ifndef PERIPH_CPU_H
 #define PERIPH_CPU_H