Revert "clk: microchip: fix typo in reference to a config option"

This reverts commit a6ab150.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Author: tsbogend

drivers/clk/microchip/clk-core.c

@@ -75,7 +75,7 @@
 /* SoC specific clock needed during SPLL clock rate switch */
 static struct clk_hw *pic32_sclk_hw;
 
-#ifdef CONFIG_MACH_PIC32
+#ifdef CONFIG_MATCH_PIC32
 /* add instruction pipeline delay while CPU clock is in-transition. */
 #define cpu_nop5()			\
 do {					\