lib: rename some power well bit names

I did the same change in the Kernel a few months ago. This should help
not getting confused about which bit does what.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
diff --git a/lib/intel_reg.h b/lib/intel_reg.h
index 1c16e92..d8eec65 100644
--- a/lib/intel_reg.h
+++ b/lib/intel_reg.h
@@ -3627,8 +3627,8 @@
 #define HSW_PWR_WELL_CTL2			0x45404		/* Driver */
 #define HSW_PWR_WELL_CTL3			0x45408		/* KVMR */
 #define HSW_PWR_WELL_CTL4			0x4540C		/* Debug */
-#define   HSW_PWR_WELL_ENABLE			(1<<31)
-#define   HSW_PWR_WELL_STATE			(1<<30)
+#define   HSW_PWR_WELL_ENABLE_REQUEST		(1<<31)
+#define   HSW_PWR_WELL_STATE_ENABLED		(1<<30)
 #define HSW_PWR_WELL_CTL5			0x45410
 #define   HSW_PWR_WELL_ENABLE_SINGLE_STEP	(1<<31)
 #define   HSW_PWR_WELL_PWR_GATE_OVERRIDE	(1<<20)