board_f: powerpc: Make prt_8260_rsr(), prt_8260_clks() private

Move these two function calls into checkcpu(), which is called on this
arch immediately after these two.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>

arch/powerpc/cpu/mpc8260/cpu.c

@@ -50,7 +50,14 @@ int checkcpu (void)
 	uint pvr = get_pvr ();
 	uint immr, rev, m, k;
 	char buf[32];
+	int ret;
 
+	ret = prt_8260_rsr();
+	if (ret)
+		return ret;
+	ret = prt_8260_clks();
+	if (ret)
+		return ret;
 	puts ("CPU:   ");
 
 	switch (pvr) {

arch/powerpc/include/asm/processor.h

@@ -1355,6 +1355,8 @@ void ll_puts(const char *);
 void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
 
 int prt_83xx_rsr(void);
+int prt_8260_rsr(void);
+int prt_8260_clks(void);
 
 #endif /* ndef ASSEMBLY*/