soc/intel/apollolake: Add PCH_IRQx into irq.h

This patch is needed to make use of LPC common code.

Change-Id: I5d0e8dbf8f8e52caf4ba78c0e3969efaac387204
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45790
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>

src/soc/intel/apollolake/include/soc/irq.h

@@ -8,6 +8,8 @@
 #define LPSS_UART1_IRQ  5       /* Need to be shared by PMC and SCC only*/
 #define LPSS_UART2_IRQ  6       /* Need to be shared by PMC and SCC only*/
 #define LPSS_UART3_IRQ  7       /* Need to be shared by PMC and SCC only*/
+#define PCH_IRQ10       10
+#define PCH_IRQ11       11
 #define XDCI_INT        13      /* Need to be shared by PMC and SCC only*/
 #define GPIO_BANK_INT   14
 #define NPK_INT         16