metag: log core and timer frequencies from arch code

Log core clock and Meta timer frequencies during init in architecture
generic code, removing the need for equivalent log messages in SoC
specific code.

Signed-off-by: James Hogan <[e-mail]>
Cc: John Stultz <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>

arch/metag/kernel/clock.c

···
 void __init init_metag_clocks(void)
 {
 	init_metag_core_clock();
+
+	pr_info("Core clock frequency: %lu Hz\n", get_coreclock());
 }
 
 /**

drivers/clocksource/metag_generic.c

···
 #ifdef CONFIG_METAG_META21
 	hwtimer_freq = get_coreclock() / (metag_in32(EXPAND_TIMER_DIV) + 1);
 #endif
+	pr_info("Timer frequency: %u Hz\n", hwtimer_freq);
+
 	clocksource_register_hz(&clocksource_metag, hwtimer_freq);
 
 	setup_irq(tbisig_map(TBID_SIGNUM_TRT), &metag_timer_irq);