powerpc: P1014: Drop configuration for P1014

P1014 is a variant of P1010. There is no P1014 target configured.
Drop related macros. P1014 SoC is still supported.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index 83fa04c..4e63859 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -707,8 +707,7 @@
 #ifdef CONFIG_FSL_ESDHC_USE_PERIPHERAL_CLK
 	gd->arch.sdhc_clk = sys_info.freq_sdhc / 2;
 #else
-#if defined(CONFIG_ARCH_MPC8569) || defined(CONFIG_ARCH_P1010) ||\
-       defined(CONFIG_P1014)
+#if defined(CONFIG_ARCH_MPC8569) || defined(CONFIG_ARCH_P1010)
 	gd->arch.sdhc_clk = gd->bus_clk;
 #else
 	gd->arch.sdhc_clk = gd->bus_clk / 2;