keystone2: add possibility to turn off all dsps

By default all DSPs are turned off, for another case option
to turn off them is added in this commit.
Also add command to turn off itself.

Acked-by: Murali Karicheri <m-maricheri2@ti.com>
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
index 2cac633..5e2f659 100644
--- a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
+++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h
@@ -68,7 +68,6 @@
 #define K2HK_LPSC_VUSR0                12
 #define K2HK_LPSC_CHIP_SRSS            13
 #define K2HK_LPSC_MSMC                 14
-#define K2HK_LPSC_GEM_0                15
 #define K2HK_LPSC_GEM_1                16
 #define K2HK_LPSC_GEM_2                17
 #define K2HK_LPSC_GEM_3                18
@@ -105,7 +104,6 @@
 #define K2HK_LPSC_VUSR1                49
 #define K2HK_LPSC_XGE                  50
 #define K2HK_LPSC_ARM_SREFLEX          51
-#define K2HK_LPSC_TETRIS               52
 
 /* DDR3A definitions */
 #define K2HK_DDR3A_EMIF_CTRL_BASE      0x21010000
@@ -137,4 +135,7 @@
 /* MSMC control */
 #define K2HK_MSMC_CTRL_BASE             0x0bc00000
 
+/* Number of DSP cores */
+#define KS2_NUM_DSPS			8
+
 #endif /* __ASM_ARCH_HARDWARE_H */