Add functions to list of exported functions

Additionally export the following fuctions (to make trab_config build again):
- simple_strtol()
- strcmp()

Also bump the ABI version to reflect this change

Signed-off-by: Martin Krause <martin.krause@tqs.de>
diff --git a/board/trab/Makefile b/board/trab/Makefile
index 868ca42..fbe1c36 100644
--- a/board/trab/Makefile
+++ b/board/trab/Makefile
@@ -50,7 +50,6 @@
 $(obj)trab_fkt.srec:	$(OBJS_FKT) $(LIB)
 	$(LD) -g -Ttext $(LOAD_ADDR) -o $(<:.o=) -e trab_fkt $^ $(LIB) \
 		-L$(obj)../../examples -lstubs \
-		-L$(obj)../../lib_generic -lgeneric \
 		-L$(gcclibdir) -lgcc
 	$(OBJCOPY) -O srec $(<:.o=) $@
 
diff --git a/common/exports.c b/common/exports.c
index a579554..ec4656b 100644
--- a/common/exports.c
+++ b/common/exports.c
@@ -28,6 +28,8 @@
 	gd->jt[XF_get_timer] = (void *) get_timer;
 	gd->jt[XF_simple_strtoul] = (void *) simple_strtoul;
 	gd->jt[XF_udelay] = (void *) udelay;
+	gd->jt[XF_simple_strtol] = (void *) simple_strtol;
+	gd->jt[XF_strcmp] = (void *) strcmp;
 #if defined(CONFIG_I386) || defined(CONFIG_PPC)
 	gd->jt[XF_install_hdlr] = (void *) irq_install_handler;
 	gd->jt[XF_free_hdlr] = (void *) irq_free_handler;
diff --git a/include/_exports.h b/include/_exports.h
index a0fbf2a..da6e088 100644
--- a/include/_exports.h
+++ b/include/_exports.h
@@ -15,6 +15,8 @@
 EXPORT_FUNC(getenv)
 EXPORT_FUNC(setenv)
 EXPORT_FUNC(simple_strtoul)
+EXPORT_FUNC(simple_strtol)
+EXPORT_FUNC(strcmp)
 #if defined(CONFIG_CMD_I2C)
 EXPORT_FUNC(i2c_write)
 EXPORT_FUNC(i2c_read)
diff --git a/include/exports.h b/include/exports.h
index 704b133..0516da9 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -23,6 +23,8 @@
 unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base);
 char *getenv (char *name);
 void setenv (char *varname, char *varvalue);
+long simple_strtol(const char *cp,char **endp,unsigned int base);
+int strcmp(const char * cs,const char * ct);
 #if defined(CONFIG_CMD_I2C)
 int i2c_write (uchar, uint, int , uchar* , int);
 int i2c_read (uchar, uint, int , uchar* , int);
@@ -40,7 +42,7 @@
 	XF_MAX
 };
 
-#define XF_VERSION	3
+#define XF_VERSION	4
 
 #if defined(CONFIG_I386)
 extern gd_t *global_data;